{"id":14003,"date":"2026-04-20T03:39:18","date_gmt":"2026-04-20T03:39:18","guid":{"rendered":"https:\/\/korcosmetics.vn\/"},"modified":"2026-04-20T03:40:16","modified_gmt":"2026-04-20T03:40:16","slug":"tai-sao-ban-nen-dau-tu-vao-may-day-tinh-chat-hon-la-mua-serum-dat-tien","status":"publish","type":"post","link":"https:\/\/korcosmetics.vn\/en\/tai-sao-ban-nen-dau-tu-vao-may-day-tinh-chat-hon-la-mua-serum-dat-tien\/","title":{"rendered":"T\u1ea1i sao b\u1ea1n n\u00ean \u0111\u1ea7u t\u01b0 v\u00e0o m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t h\u01a1n l\u00e0 mua Serum \u0111\u1eaft ti\u1ec1n?"},"content":{"rendered":"<p><em><span style=\"font-weight: 400;\">M\u1ed9t th\u1ef1c t\u1ebf ph\u0169 ph\u00e0ng l\u00e0 vi\u1ec7c thoa serum b\u1eb1ng tay ch\u1ec9 gi\u00fap d\u01b0\u1ee1ng ch\u1ea5t th\u1ea9m th\u1ea5u kho\u1ea3ng 20-30% v\u00e0o l\u1edbp bi\u1ec3u b\u00ec b\u1ec1 m\u1eb7t. Thay v\u00ec li\u00ean t\u1ee5c d\u1ed1c h\u1ea7u bao cho nh\u1eefng s\u1ea3n ph\u1ea9m ng\u00e0y c\u00e0ng \u0111\u1eaft \u0111\u1ecf h\u01a1n, t\u1ea1i sao b\u1ea1n kh\u00f4ng ngh\u0129 \u0111\u1ebfn vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a d\u01b0\u1ee1ng ch\u1ea5t m\u00ecnh \u0111ang c\u00f3? B\u00e0i vi\u1ebft c\u1ee7a <a href=\"https:\/\/korcosmetics.vn\/\"><strong>KOR<\/strong><\/a> s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft: T\u1ea1i sao b\u1ea1n n\u00ean \u0111\u1ea7u t\u01b0 v\u00e0o <\/span><a href=\"https:\/\/korcosmetics.vn\/tai-sao-ban-nen-dau-tu-vao-may-day-tinh-chat-hon-la-mua-serum-dat-tien\/\"><b>m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t<\/b><\/a><span style=\"font-weight: 400;\"> h\u01a1n l\u00e0 ch\u1ec9 mua serum \u0111\u1eaft ti\u1ec1n?!<\/span><\/em><\/p>\n<h2><b>1. S\u1ef1 th\u1eadt v\u1ec1 vi\u1ec7c thoa d\u01b0\u1ee1ng ch\u1ea5t b\u1eb1ng tay: Serum \u0111\u1eaft ti\u1ec1n c\u00f3 t\u1ed1t kh\u00f4ng?<\/b><\/h2>\n<figure id=\"attachment_13914\" aria-describedby=\"caption-attachment-13914\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-medium wp-image-13914\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/Cooling-Sensations-3-600x400.jpg\" alt=\"\" width=\"600\" height=\"400\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/Cooling-Sensations-3-600x400.jpg 600w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/Cooling-Sensations-3-768x512.jpg 768w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/Cooling-Sensations-3-18x12.jpg 18w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/Cooling-Sensations-3.jpg 1200w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-13914\" class=\"wp-caption-text\">S\u1ef1 th\u1eadt v\u1ec1 vi\u1ec7c thoa d\u01b0\u1ee1ng ch\u1ea5t b\u1eb1ng tay<\/figcaption><\/figure>\n<h3><b><i>1.1. Serum \u0111\u1eaft ti\u1ec1n c\u00f3 t\u1ed1t kh\u00f4ng?<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc khi tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi <\/span><b>c\u00f3 n\u00ean d\u00f9ng m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t<\/b><span style=\"font-weight: 400;\"> hay kh\u00f4ng, ch\u00fang ta c\u1ea7n nh\u00ecn th\u1eb3ng v\u00e0o s\u1ef1 th\u1eadt v\u1ec1 c\u00e1ch ch\u00fang ta \u0111ang ch\u0103m s\u00f3c da h\u00e0ng ng\u00e0y. R\u1ea5t nhi\u1ec1u ch\u1ecb em mang t\u00e2m l\u00fd: &#8220;Ch\u1ec9 c\u1ea7n mua serum c\u00e0ng \u0111\u1eaft ti\u1ec1n, da s\u1ebd c\u00e0ng \u0111\u1eb9p&#8221;. V\u1eady, <\/span><b>serum \u0111\u1eaft ti\u1ec1n c\u00f3 t\u1ed1t kh\u00f4ng<\/b><span style=\"font-weight: 400;\">?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 C\u00d3. Serum \u0111\u1eaft ti\u1ec1n t\u1eeb c\u00e1c th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn th\u01b0\u1eddng ch\u1ee9a n\u1ed3ng \u0111\u1ed9 ho\u1ea1t ch\u1ea5t cao, chi\u1ebft xu\u1ea5t qu\u00fd hi\u1ebfm v\u00e0 c\u00f4ng ngh\u1ec7 b\u00e0o ch\u1ebf ti\u00ean ti\u1ebfn. Tuy nhi\u00ean, &#8220;t\u1ed1t&#8221; kh\u00f4ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c n\u00f3 s\u1ebd ph\u00e1t huy 100% &#8220;hi\u1ec7u qu\u1ea3&#8221; tr\u00ean da b\u1ea1n n\u1ebfu b\u1ea1n \u00e1p d\u1ee5ng sai c\u00e1ch.<\/span><\/p>\n<h3><b><i>1.2. L\u1edbp S\u1eebng: B\u1ee9c T\u01b0\u1eddng Th\u00e0nh Ng\u0103n C\u1ea3n D\u01b0\u1ee1ng Ch\u1ea5t<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">L\u00e0n da c\u1ee7a ch\u00fang ta \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o v\u1edbi ch\u1ee9c n\u0103ng ch\u00ednh l\u00e0 b\u1ea3o v\u1ec7 c\u01a1 th\u1ec3 kh\u1ecfi c\u00e1c t\u00e1c nh\u00e2n g\u00e2y h\u1ea1i t\u1eeb m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i (vi khu\u1ea9n, kh\u00f3i b\u1ee5i, tia UV). L\u1edbp ngo\u00e0i c\u00f9ng c\u1ee7a da \u2013 l\u1edbp s\u1eebng (stratum corneum) \u2013 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ee9c t\u01b0\u1eddng g\u1ea1ch ki\u00ean c\u1ed1.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Khi b\u1ea1n s\u1eed d\u1ee5ng tay \u0111\u1ec3 thoa serum (d\u00f9 \u0111\u00f3 l\u00e0 l\u1ecd serum tr\u1ecb n\u00e1m \u0111\u1eaft \u0111\u1ecf nh\u1ea5t), c\u00e1c ph\u00e2n t\u1eed d\u01b0\u1ee1ng ch\u1ea5t th\u01b0\u1eddng c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn ho\u1eb7c b\u1ecb r\u00e0o c\u1ea3n lipid t\u1ef1 nhi\u00ean c\u1ee7a da ch\u1eb7n l\u1ea1i. K\u1ebft qu\u1ea3 l\u00e0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u01a1n 70% d\u01b0\u1ee1ng ch\u1ea5t bay h\u01a1i<\/b><span style=\"font-weight: 400;\"> ra ngo\u00e0i kh\u00f4ng kh\u00ed ho\u1eb7c ch\u1ec9 n\u1eb1m l\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t da.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c ho\u1ea1t ch\u1ea5t \u0111\u1eb7c tr\u1ecb n\u00e1m (nh\u01b0 Niacinamide, Arbutin, Vitamin C) kh\u00f4ng th\u1ec3 ti\u1ebfn s\u00e2u v\u00e0o l\u1edbp h\u1ea1 b\u00ec \u2013 n\u01a1i c\u00e1c h\u1eafc s\u1eafc t\u1ed1 Melanin \u0111ang h\u00ecnh th\u00e0nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea1n \u0111ang l\u00e3ng ph\u00ed h\u00e0ng tri\u1ec7u \u0111\u1ed3ng m\u1ed7i th\u00e1ng ch\u1ec9 \u0111\u1ec3 &#8220;nu\u00f4i&#8221; l\u1edbp t\u1ebf b\u00e0o ch\u1ebft tr\u00ean c\u00f9ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y ch\u00ednh l\u00e0 l\u00fd do v\u00ec sao d\u00f9ng m\u1ef9 ph\u1ea9m x\u1ecbn nh\u01b0ng da v\u1eabn ho\u00e0n s\u1ea1m n\u00e1m, kh\u00f4ng \u0111\u1ec1u m\u00e0u. L\u1eddi gi\u1ea3i cho b\u00e0i to\u00e1n n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 mua m\u1ed9t l\u1ecd serum \u0111\u1eaft h\u01a1n, m\u00e0 l\u00e0 t\u00ecm c\u00e1ch <\/span><b>t\u0103ng h\u1ea5p th\u1ee5 d\u01b0\u1ee1ng ch\u1ea5t<\/b><span style=\"font-weight: 400;\"> cho l\u1ecd serum hi\u1ec7n t\u1ea1i.<\/span><\/p>\n<h2><b>2. Gi\u1ea3i M\u00e3 C\u00f4ng Ngh\u1ec7: M\u00e1y \u0110\u1ea9y Tinh Ch\u1ea5t C\u00f3 Hi\u1ec7u Qu\u1ea3 Kh\u00f4ng?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Khi xu h\u01b0\u1edbng <\/span><b>skincare c\u00f4ng ngh\u1ec7<\/b><span style=\"font-weight: 400;\"> l\u00ean ng\u00f4i, c\u00e1c thi\u1ebft b\u1ecb l\u00e0m \u0111\u1eb9p t\u1ea1i nh\u00e0 tr\u1edf th\u00e0nh &#8220;c\u1ee9u c\u00e1nh&#8221; cho l\u00e0n da. V\u1eady th\u1ef1c ch\u1ea5t, <\/span><b>m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t c\u00f3 hi\u1ec7u qu\u1ea3 kh\u00f4ng<\/b><span style=\"font-weight: 400;\"> hay ch\u1ec9 l\u00e0 m\u1ed9t tr\u00e0o l\u01b0u nh\u1ea5t th\u1eddi?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 tr\u1ea3 l\u1eddi, ch\u00fang ta h\u00e3y c\u00f9ng m\u1ed5 x\u1ebb c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng khoa h\u1ecdc c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y:<\/span><\/p>\n<h3><b><i>2.1. C\u00f4ng Ngh\u1ec7 Ion (Iontophoresis)<\/i><\/b><\/h3>\n<figure id=\"attachment_14004\" aria-describedby=\"caption-attachment-14004\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-medium wp-image-14004\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-3-600x400.jpg\" alt=\"\" width=\"600\" height=\"400\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-3-600x400.jpg 600w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-3-768x512.jpg 768w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-3-18x12.jpg 18w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-3.jpg 1000w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-14004\" class=\"wp-caption-text\">C\u00f4ng Ngh\u1ec7 Ion (Iontophoresis)<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">\u0110a s\u1ed1 c\u00e1c d\u00f2ng <\/span><b>m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t<\/b><span style=\"font-weight: 400;\"> hi\u1ec7n nay ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd &#8220;c\u00f9ng d\u1ea5u \u0111\u1ea9y nhau, tr\u00e1i d\u1ea5u h\u00fat nhau&#8221; c\u1ee7a c\u00e1c ion.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ch\u1ebf \u0111\u1ed9 l\u00e0m s\u1ea1ch (Ion d\u01b0\u01a1ng):<\/b><span style=\"font-weight: 400;\"> M\u00e1y s\u1ebd ph\u00e1t ra ion d\u01b0\u01a1ng \u0111\u1ec3 h\u00fat c\u00e1c b\u1ee5i b\u1ea9n, b\u00e3 nh\u1eddn, c\u1eb7n trang \u0111i\u1ec3m (mang \u0111i\u1ec7n t\u00edch \u00e2m) n\u1eb1m s\u00e2u d\u01b0\u1edbi l\u1ed7 ch\u00e2n l\u00f4ng ra ngo\u00e0i. Khi l\u1ed7 ch\u00e2n l\u00f4ng th\u00f4ng tho\u00e1ng, da m\u1edbi c\u00f3 kh\u00f4ng gian \u0111\u1ec3 &#8220;\u0103n&#8221; d\u01b0\u1ee1ng ch\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ch\u1ebf \u0111\u1ed9 \u0111\u1ea9y tinh ch\u1ea5t (Ion \u00e2m):<\/b><span style=\"font-weight: 400;\"> Khi b\u1ea1n thoa serum KOR tr\u1ecb n\u00e1m l\u00ean da, m\u00e1y s\u1ebd ph\u00e1t ra ion \u00e2m. C\u00e1c d\u01b0\u1ee1ng ch\u1ea5t trong serum c\u0169ng \u0111\u01b0\u1ee3c ion h\u00f3a th\u00e0nh \u0111i\u1ec7n t\u00edch \u00e2m. L\u1ef1c \u0111\u1ea9y t\u1eeb m\u00e1y s\u1ebd \u00e9p c\u00e1c ph\u00e2n t\u1eed serum \u0111i qua l\u1edbp s\u1eebng, xuy\u00ean s\u00e2u v\u00e0o t\u1eadn l\u1edbp h\u1ea1 b\u00ec c\u1ee7a da.<\/span><\/li>\n<\/ul>\n<h3><b><i>2.2. S\u00f3ng Si\u00eau \u00c2m (Sonic Vibration)<\/i><\/b><\/h3>\n<figure id=\"attachment_14005\" aria-describedby=\"caption-attachment-14005\" style=\"width: 544px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-medium wp-image-14005\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-4-544x400.jpg\" alt=\"\" width=\"544\" height=\"400\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-4-544x400.jpg 544w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-4-768x565.jpg 768w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-4-16x12.jpg 16w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-4-600x441.jpg 600w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-4.jpg 900w\" sizes=\"(max-width: 544px) 100vw, 544px\" \/><figcaption id=\"caption-attachment-14005\" class=\"wp-caption-text\">S\u00f3ng Si\u00eau \u00c2m (Sonic Vibration)<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">T\u1ea7n s\u1ed1 rung l\u00ean \u0111\u1ebfn h\u00e0ng ch\u1ee5c ngh\u00ecn l\u1ea7n m\u1ed7i ph\u00fat gi\u00fap massage vi m\u00f4, n\u1edbi l\u1ecfng t\u1ea1m th\u1eddi s\u1ef1 li\u00ean k\u1ebft c\u1ee7a c\u00e1c t\u1ebf b\u00e0o bi\u1ec3u b\u00ec, t\u1ea1o ra nh\u1eefng &#8220;\u0111\u01b0\u1eddng d\u1eabn&#8221; si\u00eau nh\u1ecf \u0111\u1ec3 tinh ch\u1ea5t len l\u1ecfi v\u00e0o trong. \u0110\u1ed3ng th\u1eddi, \u0111\u1ed9 rung n\u00e0y gi\u00fap k\u00edch th\u00edch tu\u1ea7n ho\u00e0n m\u00e1u, l\u00e0m da h\u1ed3ng h\u00e0o v\u00e0 s\u0103n ch\u1eafc h\u01a1n.<\/span><\/p>\n<h3><b><i>2,3. C\u00f4ng Ngh\u1ec7 Nhi\u1ec7t (Thermal)<\/i><\/b><\/h3>\n<figure id=\"attachment_14008\" aria-describedby=\"caption-attachment-14008\" style=\"width: 449px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-medium wp-image-14008\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-1-449x400.jpeg\" alt=\"\" width=\"449\" height=\"400\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-1-449x400.jpeg 449w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-1-897x800.jpeg 897w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-1-768x685.jpeg 768w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-1-13x12.jpeg 13w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-1-600x535.jpeg 600w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-1.jpeg 1024w\" sizes=\"(max-width: 449px) 100vw, 449px\" \/><figcaption id=\"caption-attachment-14008\" class=\"wp-caption-text\">C\u00f4ng Ngh\u1ec7 Nhi\u1ec7t (Thermal)<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Nhi\u1ec1u d\u00f2ng m\u00e1y cao c\u1ea5p t\u00edch h\u1ee3p ch\u1ebf \u0111\u1ed9 l\u00e0m \u1ea5m (kho\u1ea3ng 40-42 \u0111\u1ed9 C) gi\u00fap l\u1ed7 ch\u00e2n l\u00f4ng gi\u00e3n n\u1edf t\u1ef1 nhi\u00ean, l\u00e0m m\u1ec1m da, k\u1ebft h\u1ee3p c\u00f9ng ch\u1ebf \u0111\u1ed9 l\u00e0m l\u1ea1nh (kho\u1ea3ng 10 \u0111\u1ed9 C) \u0111\u1ec3 kh\u00f3a ch\u1eb7t d\u01b0\u1ee1ng ch\u1ea5t v\u00e0 se kh\u00edt l\u1ed7 ch\u00e2n l\u00f4ng ngay l\u1eadp t\u1ee9c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u1edbi nh\u1eefng c\u01a1 s\u1edf khoa h\u1ecdc tr\u00ean, c\u00e2u tr\u1ea3 l\u1eddi kh\u1eb3ng \u0111\u1ecbnh l\u00e0: M\u00e1y \u0111\u1ea9y tinh ch\u1ea5t <\/span><b>th\u1ef1c s\u1ef1 hi\u1ec7u qu\u1ea3<\/b><span style=\"font-weight: 400;\">. N\u00f3 bi\u1ebfn qu\u00e1 tr\u00ecnh thoa kem th\u1ee5 \u0111\u1ed9ng b\u1eb1ng tay th\u00e0nh m\u1ed9t chu tr\u00ecnh <\/span><b>t\u0103ng h\u1ea5p th\u1ee5 d\u01b0\u1ee1ng ch\u1ea5t<\/b><span style=\"font-weight: 400;\"> m\u1ed9t c\u00e1ch ch\u1ee7 \u0111\u1ed9ng v\u00e0 c\u00f3 ch\u1ee7 \u0111\u00edch.<\/span><\/p>\n<h2><b>3. 5 L\u00fd Do B\u1ea1n N\u00ean \u0110\u1ea7u T\u01b0 M\u00e1y \u0110\u1ea9y Tinh Ch\u1ea5t H\u01a1n L\u00e0 N\u00e2ng C\u1ea5p L\u00ean Serum \u0110\u1eaft Ti\u1ec1n H\u01a1n<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Quay l\u1ea1i b\u00e0i to\u00e1n kinh t\u1ebf v\u00e0 hi\u1ec7u qu\u1ea3: B\u1ea1n \u0111ang c\u00f3 trong tay m\u1ed9t l\u1ecd Serum tr\u1ecb n\u00e1m KOR H\u00e0n Qu\u1ed1c ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t. Thay v\u00ec \u0111\u1ed5i sang m\u1ed9t lo\u1ea1i serum \u0111\u1eaft g\u1ea5p 3 l\u1ea7n, b\u1ea1n n\u00ean gi\u1eef nguy\u00ean serum KOR v\u00e0 mua th\u00eam m\u1ed9t chi\u1ebfc m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t. V\u00ec sao?<\/span><\/p>\n<figure id=\"attachment_14006\" aria-describedby=\"caption-attachment-14006\" style=\"width: 399px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-medium wp-image-14006\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-5-399x400.jpeg\" alt=\"\" width=\"399\" height=\"400\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-5-399x400.jpeg 399w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-5-280x280.jpeg 280w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-5-12x12.jpeg 12w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-5-600x601.jpeg 600w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-5-100x100.jpeg 100w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-5.jpeg 738w\" sizes=\"(max-width: 399px) 100vw, 399px\" \/><figcaption id=\"caption-attachment-14006\" class=\"wp-caption-text\">5 L\u00fd Do B\u1ea1n N\u00ean \u0110\u1ea7u T\u01b0 M\u00e1y \u0110\u1ea9y Tinh Ch\u1ea5t H\u01a1n L\u00e0 N\u00e2ng C\u1ea5p L\u00ean Serum \u0110\u1eaft Ti\u1ec1n H\u01a1n<\/figcaption><\/figure>\n<h3><b><i>3.1. T\u1ed1i \u0110a H\u00f3a C\u00f4ng D\u1ee5ng (T\u0103ng H\u1ea5p Th\u1ee5 G\u1ea5p 3-5 L\u1ea7n)<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ed9t nghi\u00ean c\u1ee9u trong ng\u00e0nh da li\u1ec5u cho th\u1ea5y, vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t c\u00f4ng ngh\u1ec7 Ion gi\u00fap l\u01b0\u1ee3ng d\u01b0\u1ee1ng ch\u1ea5t \u0111i v\u00e0o da cao g\u1ea5p 300% \u0111\u1ebfn 500% so v\u1edbi thoa b\u1eb1ng tay. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0: M\u1ed9t l\u1ecd tinh ch\u1ea5t t\u1ea7m trung khi \u0111\u01b0\u1ee3c &#8220;\u0111\u1ea9y&#8221; b\u1eb1ng m\u00e1y s\u1ebd mang l\u1ea1i hi\u1ec7u qu\u1ea3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, th\u1eadm ch\u00ed v\u01b0\u1ee3t tr\u1ed9i h\u01a1n m\u1ed9t l\u1ecd tinh ch\u1ea5t xa x\u1ec9 (high-end) b\u1ecb thoa h\u1eddi h\u1ee3t b\u1eb1ng tay. \u0110\u1ed1i v\u1edbi c\u00e1c d\u00f2ng Serum H\u00e0n Qu\u1ed1c cho da n\u00e1m nh\u01b0 KOR, vi\u1ec7c \u0111\u01b0a ho\u1ea1t ch\u1ea5t \u1ee9c ch\u1ebf Melanin xu\u1ed1ng \u0111\u00fang &#8220;t\u1ecda \u0111\u1ed9&#8221; d\u01b0\u1edbi da l\u00e0 y\u1ebfu t\u1ed1 s\u1ed1ng c\u00f2n \u0111\u1ec3 x\u00f3a m\u1edd th\u00e2m n\u00e1m.<\/span><\/p>\n<h3><b><i>3.2. Ti\u1ebft Ki\u1ec7m Chi Ph\u00ed D\u00e0i H\u1ea1n (ROI \u2013 T\u1ef7 Su\u1ea5t Ho\u00e0n V\u1ed1n Cao)<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">H\u00e3y l\u00e0m m\u1ed9t b\u00e0i to\u00e1n nh\u1ecf:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ph\u01b0\u01a1ng \u00e1n A:<\/b><span style=\"font-weight: 400;\"> B\u1ea1n mua serum 3 tri\u1ec7u\/l\u1ecd, d\u00f9ng tay thoa, d\u01b0\u1ee1ng ch\u1ea5t th\u1ea5m 30%. Da c\u1ea3i thi\u1ec7n ch\u1eadm. B\u1ea1n ti\u1ebfp t\u1ee5c mua l\u1ecd 3 tri\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ph\u01b0\u01a1ng \u00e1n B:<\/b><span style=\"font-weight: 400;\"> B\u1ea1n mua tinh ch\u1ea5t KOR H\u00e0n Qu\u1ed1c (kho\u1ea3ng 800.000\u0111 &#8211; 1.000.000\u0111) + \u0110\u1ea7u t\u01b0 m\u1ed9t chi\u1ebfc <\/span><b>m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t<\/b><span style=\"font-weight: 400;\"> (kho\u1ea3ng 1.500.000\u0111). D\u01b0\u1ee1ng ch\u1ea5t th\u1ea5m 90%. Da c\u1ea3i thi\u1ec7n r\u00f5 r\u1ec7t. Th\u00e1ng sau b\u1ea1n ch\u1ec9 c\u1ea7n mua l\u1ea1i tinh ch\u1ea5t.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">R\u00f5 r\u00e0ng, chi\u1ebfc m\u00e1y l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 &#8220;m\u1ed9t l\u1ea7n d\u00f9ng nhi\u1ec1u n\u0103m&#8221;. B\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i li\u00ean t\u1ee5c ch\u1ea1y theo nh\u1eefng s\u1ea3n ph\u1ea9m \u0111\u1eaft ti\u1ec1n \u0111\u1ec3 t\u00ecm ki\u1ebfm s\u1ef1 thay \u0111\u1ed5i.<\/span><\/p>\n<h3><b><i>3.3. \u0110\u00f3n \u0110\u1ea7u Xu H\u01b0\u1edbng &#8220;Skincare C\u00f4ng Ngh\u1ec7&#8221;<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c ch\u0103m s\u00f3c da hi\u1ec7n \u0111\u1ea1i kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf &#8220;b\u00f4i v\u00e0 tr\u00e9t&#8221;. <\/span><b>Skincare c\u00f4ng ngh\u1ec7<\/b><span style=\"font-weight: 400;\"> (Beauty Tech) \u0111ang l\u00e0 xu h\u01b0\u1edbng to\u00e0n c\u1ea7u. S\u1edf h\u1eefu m\u1ed9t thi\u1ebft b\u1ecb l\u00e0m \u0111\u1eb9p t\u1ea1i nh\u00e0 gi\u1ed1ng nh\u01b0 b\u1ea1n \u0111ang mang c\u1ea3 quy tr\u00ecnh spa chuy\u00ean nghi\u1ec7p v\u1ec1 ph\u00f2ng ng\u1ee7 c\u1ee7a m\u00ecnh. N\u00f3 kh\u00f4ng ch\u1ec9 gi\u00fap tr\u1ecb n\u00e1m, d\u01b0\u1ee1ng tr\u1eafng m\u00e0 c\u00f2n n\u00e2ng c\u01a1, ch\u1ed1ng l\u00e3o h\u00f3a.<\/span><\/p>\n<h3><b><i>3.4. \u0110a Ch\u1ee9c N\u0103ng Trong M\u1ed9t Thi\u1ebft B\u1ecb<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi mua m\u1ed9t l\u1ecd serum \u0111\u1eaft ti\u1ec1n, b\u1ea1n ch\u1ec9 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c m\u1ed9t v\u1ea5n \u0111\u1ec1 (v\u00ed d\u1ee5: l\u00e0m s\u00e1ng da). Nh\u01b0ng khi \u0111\u1ea7u t\u01b0 thi\u1ebft b\u1ecb \u0111\u1ea9y tinh ch\u1ea5t, b\u1ea1n c\u00f3 trong tay m\u1ed9t c\u00f4ng c\u1ee5 \u0111a n\u0103ng:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea9y trang, l\u00e0m s\u1ea1ch s\u00e2u chuy\u00ean nghi\u1ec7p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ea9y tinh ch\u1ea5t tr\u1ecb n\u00e1m, c\u1ea5p \u1ea9m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Massage n\u00e2ng c\u01a1 ch\u1ea3y x\u1ec7, gi\u1ea3m n\u1ebfp nh\u0103n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00c1nh s\u00e1ng sinh h\u1ecdc (LED) h\u1ed7 tr\u1ee3 tr\u1ecb m\u1ee5n ho\u1eb7c k\u00edch th\u00edch sinh Collagen.<\/span><\/li>\n<\/ul>\n<h3><b><i>3.5. Tr\u1ea3i Nghi\u1ec7m Th\u01b0 Gi\u00e3n Tuy\u1ec7t V\u1eddi<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng rung \u0111\u1ed9ng c\u01a1 h\u1ecdc v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u1ea5m \u00e1p t\u1eeb m\u00e1y mang l\u1ea1i c\u1ea3m gi\u00e1c th\u01b0 gi\u00e3n tuy\u1ec7t \u0111\u1ed1i sau m\u1ed9t ng\u00e0y l\u00e0m vi\u1ec7c c\u0103ng th\u1eb3ng. Vi\u1ec7c skincare kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t ngh\u0129a v\u1ee5 m\u1ec7t m\u1ecfi m\u00e0 tr\u1edf th\u00e0nh kho\u1ea3ng th\u1eddi gian &#8220;Me-time&#8221; t\u1eadn h\u01b0\u1edfng s\u1ef1 ch\u0103m s\u00f3c chu\u1ea9n spa.<\/span><\/p>\n<h2><b>4. C\u00f3 N\u00ean D\u00f9ng M\u00e1y \u0110\u1ea9y Tinh Ch\u1ea5t Cho M\u1ecdi Lo\u1ea1i Da? L\u1eddi Khuy\u00ean T\u1eeb Chuy\u00ean Gia<\/b><\/h2>\n<figure id=\"attachment_14007\" aria-describedby=\"caption-attachment-14007\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-medium wp-image-14007\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-400x400.jpeg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-400x400.jpeg 400w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-800x800.jpeg 800w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-280x280.jpeg 280w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-768x768.jpeg 768w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-1536x1536.jpeg 1536w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-12x12.jpeg 12w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-600x600.jpeg 600w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-100x100.jpeg 100w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat.jpeg 1920w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><figcaption id=\"caption-attachment-14007\" class=\"wp-caption-text\">C\u00f3 N\u00ean D\u00f9ng M\u00e1y \u0110\u1ea9y Tinh Ch\u1ea5t Cho M\u1ecdi Lo\u1ea1i Da<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Nhi\u1ec1u ng\u01b0\u1eddi e ng\u1ea1i, kh\u00f4ng bi\u1ebft da m\u00ecnh <\/span><b>c\u00f3 n\u00ean d\u00f9ng m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t<\/b><span style=\"font-weight: 400;\"> hay kh\u00f4ng. Th\u1ef1c t\u1ebf, thi\u1ebft b\u1ecb n\u00e0y v\u00f4 c\u00f9ng an to\u00e0n v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft m\u1ecdi lo\u1ea1i da, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi k\u1ebft h\u1ee3p \u0111\u00fang s\u1ea3n ph\u1ea9m.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ed1i v\u1edbi da kh\u00f4, l\u00e3o h\u00f3a:<\/b><span style=\"font-weight: 400;\"> R\u1ea5t c\u1ea7n thi\u1ebft. Da kh\u00f4 th\u01b0\u1eddng c\u00f3 l\u1edbp s\u1eebng d\u00e0y, kh\u00f3 h\u1ea5p th\u1ee5 kem d\u01b0\u1ee1ng. M\u00e1y s\u1ebd gi\u00fap c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 Hyaluronic Acid, Peptides b\u01a1m c\u0103ng n\u01b0\u1edbc cho t\u1eebng t\u1ebf b\u00e0o.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ed1i v\u1edbi da b\u1ecb n\u00e1m, t\u00e0n nhang (S\u1eed d\u1ee5ng c\u00f9ng Serum KOR):<\/b><span style=\"font-weight: 400;\"> \u0110\u00e2y l\u00e0 &#8220;ch\u00e2n \u00e1i&#8221;. N\u00e1m n\u1eb1m s\u00e2u \u1edf t\u1ea7ng \u0111\u00e1y bi\u1ec3u b\u00ec v\u00e0 h\u1ea1 b\u00ec. M\u00e1y \u0111\u1ea9y tinh ch\u1ea5t k\u1ebft h\u1ee3p c\u00f9ng Serum KOR H\u00e0n Qu\u1ed1c s\u1ebd \u00e9p c\u00e1c ho\u1ea1t ch\u1ea5t l\u00e0m tr\u1eafng, \u1ee9c ch\u1ebf enzyme Tyrosinase xu\u1ed1ng s\u00e2u nh\u1ea5t, \u0111\u00e1nh b\u1eadt g\u1ed1c n\u00e1m t\u1eeb b\u00ean trong, ng\u0103n ng\u1eeba s\u1ea1m \u0111en t\u00e1i ph\u00e1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ed1i v\u1edbi da d\u1ea7u, l\u1ed7 ch\u00e2n l\u00f4ng to:<\/b><span style=\"font-weight: 400;\"> Ch\u1ebf \u0111\u1ed9 l\u00e0m s\u1ea1ch s\u00e2u b\u1eb1ng Ion d\u01b0\u01a1ng c\u1ee7a m\u00e1y s\u1ebd gi\u00fap h\u00fat s\u1ea1ch b\u00e3 nh\u1eddn, gi\u1ea3i quy\u1ebft t\u00ecnh tr\u1ea1ng b\u00edt t\u1eafc l\u1ed7 ch\u00e2n l\u00f4ng g\u00e2y m\u1ee5n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u01b0u \u00fd \u0111\u1ed1i v\u1edbi da \u0111ang c\u00f3 m\u1ee5n vi\u00eam s\u01b0ng, da qu\u00e1 nh\u1ea1y c\u1ea3m ho\u1eb7c c\u00f3 v\u1ebft th\u01b0\u01a1ng h\u1edf:<\/b><span style=\"font-weight: 400;\"> B\u1ea1n n\u00ean t\u1ea1m ng\u01b0ng s\u1eed d\u1ee5ng t\u00ednh n\u0103ng rung\/nhi\u1ec7t \u1edf c\u00e1c v\u00f9ng da n\u00e0y \u0111\u1ec3 tr\u00e1nh k\u00edch \u1ee9ng, ho\u1eb7c ch\u1ec9 d\u00f9ng ch\u1ebf \u0111\u1ed9 \u00e1nh s\u00e1ng xanh (n\u1ebfu m\u00e1y c\u00f3 h\u1ed7 tr\u1ee3) \u0111\u1ec3 di\u1ec7t khu\u1ea9n.<\/span><\/li>\n<\/ul>\n<h2><b>5. H\u01b0\u1edbng D\u1eabn X\u00e2y D\u1ef1ng &#8220;Routine Skincare Hi\u1ec7u Qu\u1ea3&#8221; C\u00f9ng M\u00e1y \u0110\u1ea9y Tinh Ch\u1ea5t V\u00e0 Serum KOR<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">S\u1edf h\u1eefu m\u00e1y t\u1ed1t v\u00e0 m\u1ef9 ph\u1ea9m x\u1ecbn l\u00e0 ch\u01b0a \u0111\u1ee7, b\u1ea1n c\u1ea7n m\u1ed9t <\/span><b>routine skincare hi\u1ec7u qu\u1ea3<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 t\u1ea1o ra ph\u00e9p m\u00e0u cho l\u00e0n da. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 quy tr\u00ecnh chu\u1ea9n ch\u1ec9nh d\u00e0nh cho da \u0111ang \u0111i\u1ec1u tr\u1ecb n\u00e1m, s\u1ea1m m\u00e0u:<\/span><\/p>\n<figure id=\"attachment_13819\" aria-describedby=\"caption-attachment-13819\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-medium wp-image-13819\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/da-lao-hoa-som-4-2-400x400.jpg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/da-lao-hoa-som-4-2-400x400.jpg 400w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/da-lao-hoa-som-4-2-800x800.jpg 800w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/da-lao-hoa-som-4-2-280x280.jpg 280w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/da-lao-hoa-som-4-2-768x768.jpg 768w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/da-lao-hoa-som-4-2-1536x1536.jpg 1536w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/da-lao-hoa-som-4-2-12x12.jpg 12w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/da-lao-hoa-som-4-2-600x600.jpg 600w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/da-lao-hoa-som-4-2-100x100.jpg 100w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/da-lao-hoa-som-4-2.jpg 1920w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><figcaption id=\"caption-attachment-13819\" class=\"wp-caption-text\">Serum KOR Supreme Facial<\/figcaption><\/figure>\n<h3><b><i>B\u01b0\u1edbc 1: L\u00e0m S\u1ea1ch S\u00e2u K\u00e9p (Double Cleansing)<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">D\u00f9 m\u00e1y c\u00f3 ch\u1ebf \u0111\u1ed9 l\u00e0m s\u1ea1ch, b\u1ea1n v\u1eabn ph\u1ea3i t\u1ea9y trang v\u00e0 r\u1eeda m\u1eb7t b\u1eb1ng s\u1eefa r\u1eeda m\u1eb7t tr\u01b0\u1edbc.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">M\u1eb9o:<\/span><\/i><span style=\"font-weight: 400;\"> G\u1eafn m\u1ed9t mi\u1ebfng b\u00f4ng t\u1ea9y trang l\u00ean \u0111\u1ea7u m\u00e1y, th\u1ea5m toner l\u00e0m s\u1ea1ch ho\u1eb7c n\u01b0\u1edbc t\u1ea9y trang nh\u1eb9. B\u1eadt ch\u1ebf \u0111\u1ed9 <\/span><b>Ion D\u01b0\u01a1ng (Cleansing)<\/b><span style=\"font-weight: 400;\"> v\u00e0 di chuy\u1ec3n m\u00e1y t\u1eeb d\u01b0\u1edbi l\u00ean tr\u00ean, t\u1eeb trong ra ngo\u00e0i. B\u1ea1n s\u1ebd kinh ng\u1ea1c khi th\u1ea5y mi\u1ebfng b\u00f4ng \u0111en x\u00ec d\u00f9 \u0111\u00e3 r\u1eeda m\u1eb7t k\u1ef9 b\u1eb1ng tay tr\u01b0\u1edbc \u0111\u00f3!<\/span><\/p>\n<h3><b><i>B\u01b0\u1edbc 2: C\u00e2n B\u1eb1ng Da B\u1eb1ng Toner<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Thoa m\u1ed9t l\u1edbp Toner (n\u01b0\u1edbc hoa h\u1ed3ng) nh\u1eb9 nh\u00e0ng \u0111\u1ec3 c\u00e2n b\u1eb1ng \u0111\u1ed9 pH, t\u1ea1o m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt l\u00fd t\u01b0\u1edfng gi\u00fap m\u00e1y d\u1ec5 d\u00e0ng tr\u01b0\u1ee3t tr\u00ean da.<\/span><\/p>\n<h3><b><i>B\u01b0\u1edbc 3: \u0110\u1ea9y D\u01b0\u1ee1ng Ch\u1ea5t Chuy\u00ean S\u00e2u C\u00f9ng Serum KOR (B\u01b0\u1edbc Quan Tr\u1ecdng Nh\u1ea5t)<\/i><\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1ea5y m\u1ed9t l\u01b0\u1ee3ng v\u1eeba \u0111\u1ee7 <\/span><a href=\"https:\/\/korcosmetics.vn\/san-pham\/serum-duong-trang-mo-nhan-kor-supreme-facial\/\"><b>Serum KOR H\u00e0n Qu\u1ed1c tr\u1ecb n\u00e1m<\/b><\/a><span style=\"font-weight: 400;\"> thoa \u0111\u1ec1u l\u00ean to\u00e0n b\u1ed9 khu\u00f4n m\u1eb7t. Kh\u00f4ng n\u00ean thoa qu\u00e1 m\u1ecfng v\u00ec m\u00e1y c\u1ea7n m\u00f4i tr\u01b0\u1eddng tr\u01a1n tr\u01b0\u1ee3t \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1edfi \u0111\u1ed9ng m\u00e1y, ch\u1ecdn ch\u1ebf \u0111\u1ed9 <\/span><b>Ion \u00c2m (Moisture \/ Nutrition \/ Deep In)<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1eb7t \u0111\u1ea7u m\u00e1y \u00e1p s\u00e1t v\u00e0o da, nh\u1eb9 nh\u00e0ng di chuy\u1ec3n theo chi\u1ec1u n\u00e2ng c\u01a1 (t\u1eeb c\u1eb1m vu\u1ed1t l\u00ean tai, t\u1eeb c\u00e1nh m\u0169i k\u00e9o ra th\u00e1i d\u01b0\u01a1ng, t\u1eeb l\u00f4ng m\u00e0y k\u00e9o l\u00ean tr\u00e1n).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rung \u0111\u1ed9ng s\u00f3ng \u00e2m v\u00e0 Ion s\u1ebd \u0111\u1ea9y c\u00e1c d\u01b0\u1ee1ng ch\u1ea5t tr\u1ecb n\u00e1m tinh t\u00fay c\u1ee7a KOR xuy\u00ean qua h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7, \u0111i th\u1eb3ng v\u00e0o c\u00e1c \u1ed5 n\u00e1m s\u00e2u. Qu\u00e1 tr\u00ecnh n\u00e0y n\u00ean di\u1ec5n ra t\u1eeb 3-5 ph\u00fat.<\/span><\/li>\n<\/ul>\n<h3><b><i>B\u01b0\u1edbc 4: Massage N\u00e2ng C\u01a1 (T\u00f9y ch\u1ecdn)<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n c\u00f3 kem d\u01b0\u1ee1ng da ban \u0111\u00eam c\u00f3 k\u1ebft c\u1ea5u \u0111\u1eb7c h\u01a1n, h\u00e3y thoa l\u00ean da v\u00e0 s\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 l\u00e0m \u1ea5m k\u1ebft h\u1ee3p rung c\u01a1 h\u1ecdc (Lifting\/EMS) \u0111\u1ec3 l\u00e0 ph\u1eb3ng n\u1ebfp nh\u0103n, k\u00edch th\u00edch s\u1ea3n sinh Elastin.<\/span><\/p>\n<h3><b><i>B\u01b0\u1edbc 5: Kh\u00f3a \u1ea8m (Se Kh\u00edt)<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">K\u1ebft th\u00fac quy tr\u00ecnh b\u1eb1ng c\u00e1ch thoa m\u1ed9t l\u1edbp kem d\u01b0\u1ee1ng m\u1ecfng. N\u1ebfu m\u00e1y c\u1ee7a b\u1ea1n c\u00f3 ch\u1ebf \u0111\u1ed9 l\u00e0m l\u1ea1nh (Cooling), h\u00e3y s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 \u0111\u00f3ng l\u1ea1i l\u1ed7 ch\u00e2n l\u00f4ng, nh\u1ed1t ch\u1eb7t to\u00e0n b\u1ed9 d\u01b0\u1ee1ng ch\u1ea5t c\u1ee7a serum KOR \u1edf l\u1ea1i trong da su\u1ed1t \u0111\u00eam d\u00e0i.<\/span><\/p>\n<h2><b>L\u1eddi K\u1ebft<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ebfn \u0111\u00e2y, ch\u1eafc h\u1eb3n b\u1ea1n \u0111\u00e3 c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi r\u00f5 r\u00e0ng cho vi\u1ec7c <\/span><b>c\u00f3 n\u00ean d\u00f9ng m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t<\/b><span style=\"font-weight: 400;\"> hay kh\u00f4ng. \u0110\u1eebng \u0111\u1ec3 h\u00e0ng tri\u1ec7u \u0111\u1ed3ng mua m\u1ef9 ph\u1ea9m c\u1ee7a b\u1ea1n tr\u00f4i tu\u1ed9t qua k\u1ebd tay. Thay v\u00ec m\u00f9 qu\u00e1ng ch\u1ea1y theo c\u00e2u h\u1ecfi &#8220;<\/span><b>serum \u0111\u1eaft ti\u1ec1n c\u00f3 t\u1ed1t kh\u00f4ng<\/b><span style=\"font-weight: 400;\">&#8221; v\u00e0 li\u00ean t\u1ee5c thay \u0111\u1ed5i s\u1ea3n ph\u1ea9m khi ch\u01b0a th\u1ea5y k\u1ebft qu\u1ea3, h\u00e3y th\u00f4ng minh thay \u0111\u1ed5i c\u00e1ch b\u1ea1n d\u01b0\u1ee1ng da.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H\u00e3y b\u1eaft \u0111\u1ea7u \u0111\u1ea7u t\u01b0 kh\u00f4n ngoan ngay h\u00f4m nay, b\u1edfi l\u00e0n da c\u1ee7a b\u1ea1n x\u1ee9ng \u0111\u00e1ng \u0111\u01b0\u1ee3c th\u1ee5 h\u01b0\u1edfng nh\u1eefng c\u00f4ng ngh\u1ec7 l\u00e0m \u0111\u1eb9p ti\u00ean ti\u1ebfn nh\u1ea5t!<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>M\u1ed9t th\u1ef1c t\u1ebf ph\u0169 ph\u00e0ng l\u00e0 vi\u1ec7c thoa serum b\u1eb1ng tay ch\u1ec9 gi\u00fap d\u01b0\u1ee1ng ch\u1ea5t th\u1ea9m th\u1ea5u kho\u1ea3ng 20-30% v\u00e0o l\u1edbp bi\u1ec3u b\u00ec b\u1ec1 m\u1eb7t. Thay v\u00ec li\u00ean t\u1ee5c d\u1ed1c h\u1ea7u bao cho nh\u1eefng s\u1ea3n ph\u1ea9m ng\u00e0y c\u00e0ng \u0111\u1eaft \u0111\u1ecf h\u01a1n, t\u1ea1i sao b\u1ea1n kh\u00f4ng ngh\u0129 \u0111\u1ebfn vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a d\u01b0\u1ee1ng ch\u1ea5t m\u00ecnh \u0111ang&#8230;<\/p>","protected":false},"author":13,"featured_media":14005,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14003","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lam-dep-cung-kor"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>T\u1ea1i sao b\u1ea1n n\u00ean \u0111\u1ea7u t\u01b0 v\u00e0o m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t h\u01a1n l\u00e0 mua Serum \u0111\u1eaft ti\u1ec1n? - KOR COSMETICS - M\u1ef9 ph\u1ea9m H\u00e0n Qu\u1ed1c ch\u00ednh h\u00e3ng<\/title>\n<meta name=\"description\" content=\"B\u00e0i vi\u1ebft c\u1ee7a KOR s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft: T\u1ea1i sao b\u1ea1n n\u00ean \u0111\u1ea7u t\u01b0 v\u00e0o m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t h\u01a1n l\u00e0 ch\u1ec9 mua serum \u0111\u1eaft ti\u1ec1n?!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/korcosmetics.vn\/en\/tai-sao-ban-nen-dau-tu-vao-may-day-tinh-chat-hon-la-mua-serum-dat-tien\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u1ea1i sao b\u1ea1n n\u00ean \u0111\u1ea7u t\u01b0 v\u00e0o m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t h\u01a1n l\u00e0 mua Serum \u0111\u1eaft ti\u1ec1n? - KOR COSMETICS - M\u1ef9 ph\u1ea9m H\u00e0n Qu\u1ed1c ch\u00ednh h\u00e3ng\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i vi\u1ebft c\u1ee7a KOR s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft: T\u1ea1i sao b\u1ea1n n\u00ean \u0111\u1ea7u t\u01b0 v\u00e0o m\u00e1y \u0111\u1ea9y tinh ch\u1ea5t h\u01a1n l\u00e0 ch\u1ec9 mua serum \u0111\u1eaft ti\u1ec1n?!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/korcosmetics.vn\/en\/tai-sao-ban-nen-dau-tu-vao-may-day-tinh-chat-hon-la-mua-serum-dat-tien\/\" \/>\n<meta property=\"og:site_name\" content=\"KOR COSMETICS - M\u1ef9 ph\u1ea9m H\u00e0n Qu\u1ed1c ch\u00ednh h\u00e3ng\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/kor.newway\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-20T03:39:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-20T03:40:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2026\/04\/may-day-tinh-chat-4.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"662\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"ThaoChi\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"ThaoChi\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"14 minutes\" \/>\n<script type=\"application\/ld+json\" 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