{"id":12556,"date":"2025-12-24T17:21:37","date_gmt":"2025-12-24T17:21:37","guid":{"rendered":"https:\/\/korcosmetics.vn\/?p=12556"},"modified":"2025-12-25T07:05:38","modified_gmt":"2025-12-25T07:05:38","slug":"do-ph-trong-san-pham-cham-soc-da","status":"publish","type":"post","link":"https:\/\/korcosmetics.vn\/ko\/do-ph-trong-san-pham-cham-soc-da\/","title":{"rendered":"\u0110\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da: ch\u00eca kh\u00f3a v\u00e0ng cho l\u00e0n da"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Khi b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh ch\u0103m s\u00f3c da, \u0111a s\u1ed1 ch\u00fang ta th\u01b0\u1eddng ch\u1ec9 quan t\u00e2m \u0111\u1ebfn nh\u1eefng c\u00e1i t\u00ean th\u1eddi th\u01b0\u1ee3ng nh\u01b0 Retinol, Vitamin C hay Niacinamide. Ch\u00fang ta s\u1eb5n s\u00e0ng chi h\u00e0ng tri\u1ec7u \u0111\u1ed3ng cho nh\u1eefng lo\u1ea1i serum \u0111\u1eaft \u0111\u1ecf nh\u01b0ng l\u1ea1i v\u00f4 t\u00ecnh b\u1ecf qua m\u1ed9t kh\u00e1i ni\u1ec7m n\u1ec1n t\u1ea3ng, \u00e2m th\u1ea7m quy\u1ebft \u0111\u1ecbnh m\u1ecdi n\u1ed7 l\u1ef1c skincare \u0111\u00f3 l\u00e0 th\u00e0nh c\u00f4ng hay th\u1ea5t b\u1ea1i: <\/span><a href=\"https:\/\/korcosmetics.vn\/do-ph-trong-san-pham-cham-soc-da\/\" target=\"_blank\" rel=\"noopener\"><b>\u0111\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da<\/b><\/a><span style=\"font-weight: 400;\">. B\u1ea1n \u0111\u00e3 bao gi\u1edd th\u1eafc m\u1eafc t\u1ea1i sao sau khi r\u1eeda m\u1eb7t, da l\u1ea1i c\u00f3 c\u1ea3m gi\u00e1c kh\u00f4 c\u0103ng kin k\u00edt? Hay t\u1ea1i sao d\u00f9 \u0111\u00e3 d\u00f9ng \u0111\u1ee7 lo\u1ea1i kem d\u01b0\u1ee1ng m\u00e0 da v\u1eabn nh\u1ea1y c\u1ea3m, d\u1ec5 n\u1ed5i m\u1ee5n? C\u00e2u tr\u1ea3 l\u1eddi ph\u1ea7n l\u1edbn n\u1eb1m \u1edf s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng pH. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t c\u1ee7a \u0111\u1ed9 pH v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7 da v\u1eefng ch\u1eafc.<\/span><\/p>\n<h2><b>1. \u0110\u1ed9 pH l\u00e0 g\u00ec? gi\u1ea3i th\u00edch kh\u00e1i ni\u1ec7m theo g\u00f3c nh\u00ecn khoa h\u1ecdc<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Trong h\u00f3a h\u1ecdc, pH (Potential of Hydrogen) l\u00e0 ch\u1ec9 s\u1ed1 \u0111o ho\u1ea1t \u0111\u1ed9 c\u1ee7a c\u00e1c ion hydro trong dung d\u1ecbch, t\u1eeb \u0111\u00f3 x\u00e1c \u0111\u1ecbnh t\u00ednh ch\u1ea5t c\u1ee7a ch\u1ea5t \u0111\u00f3 l\u00e0 acid, trung t\u00ednh hay ki\u1ec1m. Thang \u0111o pH dao \u0111\u1ed9ng t\u1eeb 0 \u0111\u1ebfn 14:<\/span><\/p>\n<figure id=\"attachment_12559\" aria-describedby=\"caption-attachment-12559\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-12559\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da2.jpg\" alt=\"Kh\u00e1i ni\u1ec7m v\u1ec1 \u0111\u1ed9 pH\" width=\"700\" height=\"481\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da2.jpg 800w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da2-582x400.jpg 582w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da2-768x528.jpg 768w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da2-18x12.jpg 18w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da2-600x413.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-12559\" class=\"wp-caption-text\">Kh\u00e1i ni\u1ec7m v\u1ec1 \u0111\u1ed9 pH<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>pH &lt; 7:<\/b><span style=\"font-weight: 400;\"> C\u00f3 t\u00ednh acid (c\u00e0ng th\u1ea5p t\u00ednh acid c\u00e0ng m\u1ea1nh).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>pH = 7:<\/b><span style=\"font-weight: 400;\"> Trung t\u00ednh (v\u00ed d\u1ee5: n\u01b0\u1edbc tinh khi\u1ebft).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>pH &gt; 7:<\/b><span style=\"font-weight: 400;\"> C\u00f3 t\u00ednh ki\u1ec1m hay c\u00f2n g\u1ecdi l\u00e0 baz\u01a1 (c\u00e0ng cao t\u00ednh ki\u1ec1m c\u00e0ng m\u1ea1nh).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Trong ng\u00e0nh m\u1ef9 ph\u1ea9m, <\/span><b>\u0111\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da<\/b><span style=\"font-weight: 400;\"> kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t con s\u1ed1 ng\u1eabu nhi\u00ean. N\u00f3 \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u00ednh to\u00e1n k\u1ef9 l\u01b0\u1ee1ng \u0111\u1ec3 t\u01b0\u01a1ng th\u00edch v\u1edbi sinh l\u00fd c\u1ee7a l\u00e0n da, \u0111\u1ea3m b\u1ea3o c\u00e1c ho\u1ea1t ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u m\u00e0 kh\u00f4ng ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac t\u1ebf b\u00e0o.<\/span><\/p>\n<h2><b>2. \u0110\u1ed9 pH t\u1ef1 nhi\u00ean c\u1ee7a l\u00e0n da l\u00e0 bao nhi\u00eau?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Nhi\u1ec1u ng\u01b0\u1eddi l\u1ea7m t\u01b0\u1edfng da ng\u01b0\u1eddi c\u00f3 \u0111\u1ed9 pH trung t\u00ednh (7.0). Tuy nhi\u00ean, th\u1ef1c t\u1ebf l\u00e0 l\u00e0n da kh\u1ecfe m\u1ea1nh b\u00ecnh th\u01b0\u1eddng s\u1ebd c\u00f3 t\u00ednh acid nh\u1eb9, dao \u0111\u1ed9ng trong kho\u1ea3ng t\u1eeb <\/span><b>4.5 \u0111\u1ebfn 5.5<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1edf d\u0129 da c\u00f3 t\u00ednh acid l\u00e0 nh\u1edd m\u1ed9t l\u1edbp m\u00e0ng m\u1ecfng bao ph\u1ee7 b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <\/span><b>Acid Mantle<\/b><span style=\"font-weight: 400;\"> (m\u00e0ng acid). L\u1edbp m\u00e0ng n\u00e0y \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb b\u00e3 nh\u1eddn, m\u1ed3 h\u00f4i v\u00e0 c\u00e1c acid b\u00e9o t\u1ef1 do. Vai tr\u00f2 c\u1ee7a l\u1edbp m\u00e0ng n\u00e0y l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng:<\/span><\/p>\n<figure id=\"attachment_12558\" aria-describedby=\"caption-attachment-12558\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-12558\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da3.jpg\" alt=\"\u0110\u1ed9 pH t\u1ef1 nhi\u00ean c\u1ee7a l\u00e0n da\" width=\"700\" height=\"394\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da3.jpg 1600w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da3-711x400.jpg 711w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da3-1400x788.jpg 1400w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da3-768x432.jpg 768w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da3-1536x864.jpg 1536w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da3-18x10.jpg 18w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da3-600x338.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-12558\" class=\"wp-caption-text\">\u0110\u1ed9 pH t\u1ef1 nhi\u00ean c\u1ee7a l\u00e0n da<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ea3o v\u1ec7:<\/b><span style=\"font-weight: 400;\"> Ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a vi khu\u1ea9n, n\u1ea5m v\u00e0 c\u00e1c t\u00e1c nh\u00e2n g\u00e2y h\u1ea1i t\u1eeb m\u00f4i tr\u01b0\u1eddng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Duy tr\u00ec \u0111\u1ed9 \u1ea9m:<\/b><span style=\"font-weight: 400;\"> Gi\u1eef cho l\u1edbp s\u1eebng lu\u00f4n m\u1ec1m m\u1ea1i v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 tho\u00e1t n\u01b0\u1edbc xuy\u00ean bi\u1ec3u b\u00ec.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u1ed7 tr\u1ee3 h\u1ec7 vi sinh:<\/b><span style=\"font-weight: 400;\"> T\u1ea1o m\u00f4i tr\u01b0\u1eddng l\u00fd t\u01b0\u1edfng cho c\u00e1c l\u1ee3i khu\u1ea9n tr\u00ean da ph\u00e1t tri\u1ec3n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Khi <\/span><b>\u0111\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da<\/b><span style=\"font-weight: 400;\"> m\u00e0 b\u1ea1n s\u1eed d\u1ee5ng kh\u00f4ng t\u01b0\u01a1ng th\u00edch, l\u1edbp m\u00e0ng acid n\u00e0y s\u1ebd b\u1ecb t\u1ed5n th\u01b0\u01a1ng, d\u1eabn \u0111\u1ebfn h\u00e0ng lo\u1ea1t c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 da.<\/span><\/p>\n<h2><b>3. T\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">T\u1ea1i sao c\u00e1c chuy\u00ean gia da li\u1ec5u lu\u00f4n nh\u1ea5n m\u1ea1nh v\u00e0o vi\u1ec7c ki\u1ec3m tra \u0111\u1ed9 pH? B\u1edfi y\u1ebfu t\u1ed1 n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ba kh\u00eda c\u1ea1nh s\u1ed1ng c\u00f2n c\u1ee7a l\u00e0n da:<\/span><\/p>\n<h3><b>3.1. B\u1ea3o v\u1ec7 h\u00e0ng r\u00e0o da<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 pH qu\u00e1 ch\u00eanh l\u1ec7ch v\u1edbi pH t\u1ef1 nhi\u00ean, h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7 da s\u1ebd b\u1ecb suy y\u1ebfu. Khi \u0111\u00f3, da kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng t\u1ef1 v\u1ec7 tr\u01b0\u1edbc tia UV, \u00f4 nhi\u1ec5m v\u00e0 vi khu\u1ea9n g\u00e2y m\u1ee5n.<\/span><\/p>\n<h3><b>3.2. Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 d\u01b0\u1ee1ng ch\u1ea5t<\/b><\/h3>\n<figure id=\"attachment_12560\" aria-describedby=\"caption-attachment-12560\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-12560\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da.jpg\" alt=\"T\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da\" width=\"700\" height=\"393\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da.jpg 600w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da-18x10.jpg 18w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-12560\" class=\"wp-caption-text\">T\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">C\u00e1c ho\u1ea1t ch\u1ea5t ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 nh\u1ea5t \u1edf m\u1ed9t ng\u01b0\u1ee1ng pH nh\u1ea5t \u0111\u1ecbnh. V\u00ed d\u1ee5, n\u1ebfu da b\u1ea1n \u0111ang \u1edf m\u1ee9c pH qu\u00e1 cao (ki\u1ec1m), c\u00e1c lo\u1ea1i serum \u0111\u1eb7c tr\u1ecb s\u1ebd kh\u00f4ng th\u1ec3 th\u1ea9m th\u1ea5u hi\u1ec7u qu\u1ea3, d\u1eabn \u0111\u1ebfn vi\u1ec7c l\u00e3ng ph\u00ed m\u1ef9 ph\u1ea9m \u0111\u1eaft ti\u1ec1n.<\/span><\/p>\n<h3><b>3.3. Ki\u1ec3m so\u00e1t vi khu\u1ea9n v\u00e0 m\u1ee5n<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Vi khu\u1ea9n g\u00e2y m\u1ee5n (P. acnes) th\u01b0\u1eddng ph\u00e1t tri\u1ec3n m\u1ea1nh trong m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 pH cao. B\u1eb1ng c\u00e1ch duy tr\u00ec <\/span><b>\u0111\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da<\/b><span style=\"font-weight: 400;\"> \u1edf m\u1ee9c acid nh\u1eb9, b\u1ea1n \u0111ang t\u1ea1o ra m\u1ed9t &#8220;h\u00e0ng r\u00e0o&#8221; t\u1ef1 nhi\u00ean khi\u1ebfn vi khu\u1ea9n kh\u00f4ng c\u00f3 c\u01a1 h\u1ed9i sinh s\u00f4i.<\/span><\/p>\n<h2><b>4. \u1ea2nh h\u01b0\u1edfng c\u1ee7a \u0111\u1ed9 pH kh\u00f4ng ph\u00f9 h\u1ee3p l\u00ean l\u00e0n da<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c s\u1eed d\u1ee5ng sai s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 khi\u1ebfn da r\u01a1i v\u00e0o hai tr\u1ea1ng th\u00e1i c\u1ef1c \u0111oan:<\/span><\/p>\n<h3><b>4.1. Khi \u0111\u1ed9 pH qu\u00e1 cao (t\u00ednh ki\u1ec1m)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 tr\u01b0\u1eddng h\u1ee3p th\u01b0\u1eddng g\u1eb7p nh\u1ea5t khi s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i x\u00e0 ph\u00f2ng ho\u1eb7c s\u1eefa r\u1eeda m\u1eb7t c\u00f3 ch\u1ea5t t\u1ea9y r\u1eeda m\u1ea1nh.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>D\u1ea5u hi\u1ec7u:<\/b><span style=\"font-weight: 400;\"> Da kh\u00f4 c\u0103ng, bong tr\u00f3c ngay sau khi r\u1eeda m\u1eb7t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u1ec7 l\u1ee5y:<\/b><span style=\"font-weight: 400;\"> Da m\u1ea5t \u0111i l\u1edbp d\u1ea7u t\u1ef1 nhi\u00ean, c\u01a1 th\u1ec3 ph\u1ea3n \u1ee9ng b\u1eb1ng c\u00e1ch t\u0103ng ti\u1ebft d\u1ea7u b\u00f9, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng da v\u1eeba kh\u00f4 v\u1eeba d\u1ea7u, l\u1ed7 ch\u00e2n l\u00f4ng to v\u00e0 d\u1ec5 n\u1ed5i m\u1ee5n. Ngo\u00e0i ra, pH cao c\u00f2n l\u00e0m \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a, h\u00ecnh th\u00e0nh n\u1ebfp nh\u0103n nhanh h\u01a1n.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_12557\" aria-describedby=\"caption-attachment-12557\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-12557\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da4.jpg\" alt=\"\u1ea2nh h\u01b0\u1edfng c\u1ee7a \u0111\u1ed9 pH kh\u00f4ng ph\u00f9 h\u1ee3p l\u00ean l\u00e0n da\" width=\"700\" height=\"466\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da4.jpg 1000w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da4-601x400.jpg 601w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da4-768x511.jpg 768w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da4-18x12.jpg 18w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da4-600x400.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-12557\" class=\"wp-caption-text\">\u1ea2nh h\u01b0\u1edfng c\u1ee7a \u0111\u1ed9 pH kh\u00f4ng ph\u00f9 h\u1ee3p l\u00ean l\u00e0n da<\/figcaption><\/figure>\n<h3><b>4.2. Khi \u0111\u1ed9 pH qu\u00e1 th\u1ea5p (t\u00ednh acid m\u1ea1nh)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Th\u01b0\u1eddng x\u1ea3y ra khi l\u1ea1m d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m treatment nh\u01b0 AHA, BHA n\u1ed3ng \u0111\u1ed9 cao ho\u1eb7c d\u00f9ng qu\u00e1 nhi\u1ec1u l\u1edbp acid c\u00f9ng l\u00fac.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>D\u1ea5u hi\u1ec7u:<\/b><span style=\"font-weight: 400;\"> Da ch\u00e2m ch\u00edch, \u0111\u1ecf r\u00e1t, n\u00f3ng b\u1eebng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u1ec7 l\u1ee5y:<\/b><span style=\"font-weight: 400;\"> Da b\u1ecb &#8220;b\u1ecfng&#8221; acid, m\u1ecfng y\u1ebfu v\u00e0 tr\u1edf n\u00ean c\u1ef1c k\u1ef3 nh\u1ea1y c\u1ea3m v\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi.<\/span><\/li>\n<\/ul>\n<h2><b>5. B\u1ea3ng \u0111\u1ed9 pH l\u00fd t\u01b0\u1edfng cho t\u1eebng nh\u00f3m s\u1ea3n ph\u1ea9m skincare<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t routine chu\u1ea9n, b\u1ea1n c\u1ea7n n\u1eafm r\u00f5 m\u1ee9c pH ti\u00eau chu\u1ea9n c\u1ee7a t\u1eebng b\u01b0\u1edbc:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Nh\u00f3m s\u1ea3n ph\u1ea9m<\/b><\/td>\n<td><b>\u0110\u1ed9 pH l\u00fd t\u01b0\u1edfng<\/b><\/td>\n<td><b>M\u1ee5c \u0111\u00edch<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>S\u1eefa r\u1eeda m\u1eb7t<\/b><\/td>\n<td><span style=\"font-weight: 400;\">5.0 \u2013 6.0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u00e0m s\u1ea1ch m\u00e0 kh\u00f4ng ph\u00e1 h\u1ee7y m\u00e0ng acid<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Toner<\/b><\/td>\n<td><span style=\"font-weight: 400;\">4.5 \u2013 5.5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e2n b\u1eb1ng l\u1ea1i pH sau khi l\u00e0m s\u1ea1ch<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Serum \u0111\u1eb7c tr\u1ecb<\/b><\/td>\n<td><span style=\"font-weight: 400;\">4.0 \u2013 6.0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u h\u00f3a ho\u1ea1t \u0111\u1ed9ng c\u1ee7a d\u01b0\u1ee1ng ch\u1ea5t<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>T\u1ea9y t\u1ebf b\u00e0o ch\u1ebft (AHA\/BHA)<\/b><\/td>\n<td><span style=\"font-weight: 400;\">3.0 \u2013 4.0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea7n m\u00f4i tr\u01b0\u1eddng acid \u0111\u1ec3 h\u00f2a tan li\u00ean k\u1ebft t\u1ebf b\u00e0o ch\u1ebft<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Kem d\u01b0\u1ee1ng \u1ea9m<\/b><\/td>\n<td><span style=\"font-weight: 400;\">5.0 \u2013 6.0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u01b0\u01a1ng th\u00edch v\u1edbi pH t\u1ef1 nhi\u00ean \u0111\u1ec3 kh\u00f3a \u1ea9m<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Kem ch\u1ed1ng n\u1eafng<\/b><\/td>\n<td><span style=\"font-weight: 400;\">6.0 \u2013 7.0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u01b0\u1eddng \u1edf m\u1ee9c trung t\u00ednh \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh m\u00e0ng l\u1ecdc<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>6. V\u00ec sao s\u1ea3n ph\u1ea9m &#8220;l\u00e0nh t\u00ednh&#8221; lu\u00f4n \u01b0u ti\u00ean c\u00e2n b\u1eb1ng pH?<\/b><\/h2>\n<figure id=\"attachment_12561\" aria-describedby=\"caption-attachment-12561\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-12561\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da7.jpg\" alt=\"\u0110\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da\" width=\"700\" height=\"568\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da7.jpg 600w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da7-493x400.jpg 493w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da7-15x12.jpg 15w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-12561\" class=\"wp-caption-text\">V\u00ec sao s\u1ea3n ph\u1ea9m &#8220;l\u00e0nh t\u00ednh&#8221; lu\u00f4n \u01b0u ti\u00ean c\u00e2n b\u1eb1ng pH<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Trong tri\u1ebft l\u00fd skincare hi\u1ec7n \u0111\u1ea1i, m\u1ed9t s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;l\u00e0nh t\u00ednh&#8221; kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o b\u1ea3ng th\u00e0nh ph\u1ea7n kh\u00f4ng c\u1ed3n, kh\u00f4ng h\u01b0\u01a1ng li\u1ec7u m\u00e0 c\u00f2n ph\u1ea3i c\u00f3 \u0111\u1ed9 pH chu\u1ea9n. C\u00e1c th\u01b0\u01a1ng hi\u1ec7u d\u01b0\u1ee3c m\u1ef9 ph\u1ea9m cao c\u1ea5p lu\u00f4n ch\u00fa tr\u1ecdng \u0111i\u1ec1u n\u00e0y v\u00ec:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Gi\u1ea3m r\u1ee7i ro k\u00edch \u1ee9ng:<\/b><span style=\"font-weight: 400;\"> Khi s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 pH g\u1ea7n v\u1edbi da, c\u00e1c t\u1ebf b\u00e0o th\u1ea7n kinh d\u01b0\u1edbi da kh\u00f4ng b\u1ecb k\u00edch \u0111\u1ed9ng, gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng \u0111\u1ecf r\u00e1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Duy tr\u00ec s\u1ee9c kh\u1ecfe b\u1ec1n v\u1eefng:<\/b><span style=\"font-weight: 400;\"> Thay v\u00ec ch\u1ec9 t\u1eadp trung v\u00e0o vi\u1ec7c &#8220;s\u1eeda ch\u1eefa&#8221; t\u1ee9c th\u1eddi, c\u00e1c s\u1ea3n ph\u1ea9m c\u00e2n b\u1eb1ng pH gi\u00fap da t\u1ef1 kh\u1ecfe t\u1eeb b\u00ean trong b\u1eb1ng c\u00e1ch c\u1ee7ng c\u1ed1 h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7.<\/span><\/li>\n<\/ul>\n<h2><b>7. C\u00e1ch c\u00e2n b\u1eb1ng pH cho da trong quy tr\u00ecnh h\u1eb1ng ng\u00e0y<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a <\/span><b>\u0111\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da<\/b><span style=\"font-weight: 400;\">, b\u1ea1n n\u00ean tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc sau:<\/span><\/p>\n<h3><b>7.1. L\u00e0m s\u1ea1ch \u0111\u00fang c\u00e1ch<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng s\u1eefa r\u1eeda m\u1eb7t c\u00f3 pH kho\u1ea3ng 5.5. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t v\u00ec n\u00f3 ng\u0103n ch\u1eb7n s\u1ef1 thay \u0111\u1ed5i pH \u0111\u1ed9t ng\u1ed9t ngay t\u1eeb \u0111\u1ea7u.<\/span><\/p>\n<h3><b>7.2. S\u1eed d\u1ee5ng toner c\u00e2n b\u1eb1ng (Balancing Toner)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Toner kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 n\u01b0\u1edbc d\u01b0\u1ee1ng da, vai tr\u00f2 ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 \u0111\u01b0a \u0111\u1ed9 pH c\u1ee7a da tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i l\u00fd t\u01b0\u1edfng (~5.5) ngay l\u1eadp t\u1ee9c sau khi ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc m\u00e1y (th\u01b0\u1eddng c\u00f3 pH ~7.0).<\/span><\/p>\n<h3><b>7.3. \u00c1p d\u1ee5ng routine c\u00f9ng KOR Cosmetics<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Th\u01b0\u01a1ng hi\u1ec7u <a href=\"https:\/\/korcosmetics.vn\/\" target=\"_blank\" rel=\"noopener\"><strong>KOR Cosmetics<\/strong><\/a> ph\u00e1t tri\u1ec3n c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m d\u1ef1a tr\u00ean s\u1ef1 th\u1ea5u hi\u1ec3u s\u00e2u s\u1eafc v\u1ec1 sinh l\u00fd da:<\/span><\/p>\n<figure id=\"attachment_12051\" aria-describedby=\"caption-attachment-12051\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-12051\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/11\/san-pham-chua-pha5.jpg\" alt=\"Vai tr\u00f2 c\u1ee7a butylene glycol trong c\u00f4ng th\u1ee9c l\u00e0nh t\u00ednh c\u1ee7a KOR\" width=\"700\" height=\"495\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/11\/san-pham-chua-pha5.jpg 600w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/11\/san-pham-chua-pha5-566x400.jpg 566w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/11\/san-pham-chua-pha5-18x12.jpg 18w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-12051\" class=\"wp-caption-text\">KOR Cosmetics c\u00f3 \u0111\u1ed9 pH d\u1ecbu nh\u1eb9 cho da an to\u00e0n<\/figcaption><\/figure>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b><a href=\"https:\/\/korcosmetics.vn\/san-pham\/sua-rua-mat-kor-supreme-deep-cleansing-foam\/\" target=\"_blank\" rel=\"noopener\">S\u1eefa r\u1eeda m\u1eb7t KOR<\/a>:<\/b><span style=\"font-weight: 400;\"> L\u00e0m s\u1ea1ch s\u00e2u nh\u01b0ng v\u1eabn gi\u1eef l\u1ea1i \u0111\u1ed9 \u1ea9m t\u1ef1 nhi\u00ean v\u1edbi pH d\u1ecbu nh\u1eb9.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Toner KOR Supreme Facial:<\/b><span style=\"font-weight: 400;\"> &#8220;V\u1ecb c\u1ee9u tinh&#8221; gi\u00fap c\u00e2n b\u1eb1ng pH t\u1ee9c th\u00ec, m\u1edf \u0111\u01b0\u1eddng cho c\u00e1c d\u01b0\u1ee1ng ch\u1ea5t sau th\u1ea9m th\u1ea5u t\u1ed1t h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Serum &amp; Kem d\u01b0\u1ee1ng KOR:<\/b><span style=\"font-weight: 400;\"> Cung c\u1ea5p \u0111\u1ed9 \u1ea9m v\u00e0 d\u01b0\u1ee1ng ch\u1ea5t \u1edf m\u1ee9c pH t\u01b0\u01a1ng th\u00edch ho\u00e0n h\u1ea3o, kh\u00f4ng g\u00e2y shock da.<\/span><\/li>\n<\/ol>\n<h2><b>8. Nh\u1eefng hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn v\u1ec1 \u0111\u1ed9 pH trong m\u1ef9 ph\u1ea9m<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u1ea7m t\u01b0\u1edfng 1: pH c\u00e0ng th\u1ea5p (c\u00e0ng acid) th\u00ec t\u1ea9y t\u1ebf b\u00e0o ch\u1ebft c\u00e0ng hi\u1ec7u qu\u1ea3.<\/b> <i><span style=\"font-weight: 400;\">S\u1ef1 th\u1eadt:<\/span><\/i><span style=\"font-weight: 400;\"> N\u1ebfu pH qu\u00e1 th\u1ea5p, da s\u1ebd b\u1ecb t\u1ed5n th\u01b0\u01a1ng nghi\u00eam tr\u1ecdng. Hi\u1ec7u qu\u1ea3 n\u1eb1m \u1edf s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa n\u1ed3ng \u0111\u1ed9 acid v\u00e0 \u0111\u1ed9 pH \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u1ea7m t\u01b0\u1edfng 2: Da d\u1ea7u c\u1ea7n s\u1ea3n ph\u1ea9m pH cao \u0111\u1ec3 s\u1ea1ch d\u1ea7u.<\/b> <i><span style=\"font-weight: 400;\">S\u1ef1 th\u1eadt:<\/span><\/i><span style=\"font-weight: 400;\"> pH cao khi\u1ebfn da m\u1ea5t n\u01b0\u1edbc, k\u00edch th\u00edch tuy\u1ebfn d\u1ea7u ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh h\u01a1n \u0111\u1ec3 b\u00f9 \u0111\u1eafp. Da d\u1ea7u th\u1ef1c ch\u1ea5t c\u1ea7n s\u1ea3n ph\u1ea9m pH h\u01a1i acid \u0111\u1ec3 kh\u00e1ng khu\u1ea9n m\u1ee5n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u1ea7m t\u01b0\u1edfng 3: Ch\u1ec9 c\u1ea7n quan t\u00e2m pH c\u1ee7a s\u1eefa r\u1eeda m\u1eb7t.<\/b> <i><span style=\"font-weight: 400;\">S\u1ef1 th\u1eadt:<\/span><\/i><span style=\"font-weight: 400;\"> M\u1ecdi b\u01b0\u1edbc trong routine \u0111\u1ec1u t\u00e1c \u0111\u1ed9ng l\u00ean pH da. M\u1ed9t quy tr\u00ecnh kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u1ec1 pH c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m 50-70% hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m treatment.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_12562\" aria-describedby=\"caption-attachment-12562\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-12562\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da6.jpg\" alt=\"Nh\u1eefng hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn v\u1ec1 \u0111\u1ed9 pH trong m\u1ef9 ph\u1ea9m\" width=\"700\" height=\"517\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da6.jpg 1024w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da6-542x400.jpg 542w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da6-768x567.jpg 768w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da6-16x12.jpg 16w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da6-600x443.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-12562\" class=\"wp-caption-text\">Nh\u1eefng hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn v\u1ec1 \u0111\u1ed9 pH trong m\u1ef9 ph\u1ea9m<\/figcaption><\/figure>\n<h2><b>9. Nh\u1eefng l\u00e0n da c\u1ea7n &#8220;\u0111\u1eb7c bi\u1ec7t&#8221; kh\u1eaft khe v\u1edbi \u0111\u1ed9 pH<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1eb7c d\u00f9 ai c\u0169ng n\u00ean quan t\u00e2m \u0111\u1ebfn pH, nh\u01b0ng 4 nh\u00f3m da sau \u0111\u00e2y tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c l\u01a1 l\u00e0:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Da nh\u1ea1y c\u1ea3m:<\/b><span style=\"font-weight: 400;\"> B\u1ea5t k\u1ef3 s\u1ef1 thay \u0111\u1ed5i pH nh\u1ecf n\u00e0o c\u0169ng c\u00f3 th\u1ec3 g\u00e2y \u0111\u1ecf r\u00e1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Da m\u1ee5n:<\/b><span style=\"font-weight: 400;\"> C\u1ea7n duy tr\u00ec pH acid nh\u1eb9 \u0111\u1ec3 \u1ee9c ch\u1ebf vi khu\u1ea9n P. acnes.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Da \u0111ang treatment:<\/b><span style=\"font-weight: 400;\"> Khi d\u00f9ng Retinol hay Hydroquinone, h\u00e0ng r\u00e0o da \u0111ang b\u1ecb t\u00e1c \u0111\u1ed9ng m\u1ea1nh, c\u1ea7n s\u1ea3n ph\u1ea9m c\u00e2n b\u1eb1ng pH \u0111\u1ec3 h\u1ed7 tr\u1ee3 ph\u1ee5c h\u1ed3i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Da l\u00e3o h\u00f3a:<\/b><span style=\"font-weight: 400;\"> Da l\u1edbn tu\u1ed5i kh\u1ea3 n\u0103ng t\u1ef1 c\u00e2n b\u1eb1ng pH k\u00e9m \u0111i, c\u1ea7n s\u1ef1 h\u1ed7 tr\u1ee3 t\u1eeb c\u00e1c s\u1ea3n ph\u1ea9m b\u00ean ngo\u00e0i.<\/span><\/li>\n<\/ol>\n<h2><b>10. Gi\u1ea3i \u0111\u00e1p th\u1eafc m\u1eafc th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u0111\u1ed9 pH (FAQ)<\/b><\/h2>\n<ul>\n<li><strong>S\u1eefa r\u1eeda m\u1eb7t pH bao nhi\u00eau l\u00e0 t\u1ed1t nh\u1ea5t?<\/strong><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Kho\u1ea3ng t\u1eeb 5.0 \u0111\u1ebfn 6.0 l\u00e0 l\u00fd t\u01b0\u1edfng nh\u1ea5t \u0111\u1ec3 l\u00e0m s\u1ea1ch m\u00e0 v\u1eabn b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c m\u00e0ng acid.<\/span><\/p>\n<ul>\n<li><strong>C\u00f3 c\u1ea7n mua gi\u1ea5y qu\u1ef3 \u0111\u1ec3 \u0111o pH m\u1ef9 ph\u1ea9m kh\u00f4ng?<\/strong><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Th\u1ef1c t\u1ebf kh\u00f4ng c\u1ea7n thi\u1ebft n\u1ebfu b\u1ea1n ch\u1ecdn c\u00e1c th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t l\u1edbn nh\u01b0 KOR \u0111\u00e3 ki\u1ec3m nghi\u1ec7m v\u00e0 c\u00f4ng b\u1ed1 th\u00f4ng s\u1ed1 \u0111\u1ea1t chu\u1ea9n tr\u01b0\u1edbc khi \u0111\u01b0a ra th\u1ecb tr\u01b0\u1eddng.<\/span><\/p>\n<ul>\n<li><strong>Toner c\u00f3 b\u1eaft bu\u1ed9c kh\u00f4ng?<\/strong><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">N\u1ebfu s\u1eefa r\u1eeda m\u1eb7t c\u1ee7a b\u1ea1n \u0111\u00e3 c\u00f3 pH chu\u1ea9n v\u00e0 n\u01b0\u1edbc sinh ho\u1ea1t t\u1ea1i khu v\u1ef1c c\u1ee7a b\u1ea1n t\u1ed1t, toner c\u00f3 th\u1ec3 kh\u00f4ng b\u1eaft bu\u1ed9c. Tuy nhi\u00ean, s\u1eed d\u1ee5ng toner l\u00e0 c\u00e1ch an to\u00e0n v\u00e0 nhanh nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o da \u1edf tr\u1ea1ng th\u00e1i s\u1eb5n s\u00e0ng h\u1ea5p th\u1ee5 serum.<\/span><\/p>\n<ul>\n<li><strong>pH sai c\u00f3 th\u1ef1c s\u1ef1 g\u00e2y m\u1ee5n?<\/strong><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00f3. pH cao (ki\u1ec1m) l\u00e0m y\u1ebfu h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho vi khu\u1ea9n x\u00e2m nh\u1eadp v\u00e0 g\u00e2y vi\u00eam nhi\u1ec5m l\u1ed7 ch\u00e2n l\u00f4ng.<\/span><\/p>\n<figure id=\"attachment_12563\" aria-describedby=\"caption-attachment-12563\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-12563\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da5.jpg\" alt=\"\u0110\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da\" width=\"700\" height=\"467\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da5.jpg 900w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da5-600x400.jpg 600w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da5-768x512.jpg 768w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/12\/do-ph-trong-san-pham-cham-soc-da5-18x12.jpg 18w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-12563\" class=\"wp-caption-text\">Gi\u1ea3i \u0111\u00e1p th\u1eafc m\u1eafc th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u0111\u1ed9 pH<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">\u0110\u1eebng coi \u0111\u1ed9 pH l\u00e0 m\u1ed9t chi ti\u1ebft k\u1ef9 thu\u1eadt kh\u00f4 khan. H\u00e3y coi n\u00f3 l\u00e0 &#8220;nh\u1ecbp th\u1edf&#8221; c\u1ee7a l\u00e0n da. M\u1ed9t l\u00e0n da \u0111\u1eb9p b\u1eaft \u0111\u1ea7u t\u1eeb m\u1ed9t l\u00e0n da kh\u1ecfe, v\u00e0 m\u1ed9t l\u00e0n da kh\u1ecfe kh\u00f4ng bao gi\u1edd thi\u1ebfu \u0111i s\u1ef1 c\u00e2n b\u1eb1ng pH. Vi\u1ec7c hi\u1ec3u v\u00e0 ki\u1ec3m so\u00e1t <\/span><b>\u0111\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da<\/b><span style=\"font-weight: 400;\"> ch\u00ednh l\u00e0 c\u00e1ch b\u1ea1n t\u00f4n tr\u1ecdng sinh l\u00fd t\u1ef1 nhi\u00ean c\u1ee7a c\u01a1 th\u1ec3. Thay v\u00ec ch\u1ea1y theo nh\u1eefng xu h\u01b0\u1edbng l\u00e0m \u0111\u1eb9p nh\u1ea5t th\u1eddi, h\u00e3y t\u1eadp trung v\u00e0o c\u00e1c gi\u00e1 tr\u1ecb c\u1ed1t l\u00f5i: L\u00e0m s\u1ea1ch \u0111\u00fang pH \u2013 C\u00e2n b\u1eb1ng pH \u2013 D\u01b0\u1ee1ng \u1ea9m l\u00e0nh t\u00ednh. \u0110\u00f3 c\u0169ng ch\u00ednh l\u00e0 tri\u1ebft l\u00fd m\u00e0 KOR Cosmetics lu\u00f4n theo \u0111u\u1ed5i \u0111\u1ec3 mang l\u1ea1i v\u1ebb \u0111\u1eb9p b\u1ec1n v\u1eefng cho kh\u00e1ch h\u00e0ng.<\/span><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Khi b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh ch\u0103m s\u00f3c da, \u0111a s\u1ed1 ch\u00fang ta th\u01b0\u1eddng ch\u1ec9 quan t\u00e2m \u0111\u1ebfn nh\u1eefng c\u00e1i t\u00ean th\u1eddi th\u01b0\u1ee3ng nh\u01b0 Retinol, Vitamin C hay Niacinamide. Ch\u00fang ta s\u1eb5n s\u00e0ng chi h\u00e0ng tri\u1ec7u \u0111\u1ed3ng cho nh\u1eefng lo\u1ea1i serum \u0111\u1eaft \u0111\u1ecf nh\u01b0ng l\u1ea1i v\u00f4 t\u00ecnh b\u1ecf qua m\u1ed9t kh\u00e1i ni\u1ec7m n\u1ec1n t\u1ea3ng, \u00e2m th\u1ea7m&#8230;<\/p>","protected":false},"author":9,"featured_media":12561,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12556","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 v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0110\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da: ch\u00eca kh\u00f3a v\u00e0ng cho l\u00e0n da<\/title>\n<meta name=\"description\" content=\"\u0110\u1ed9 pH trong s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da l\u00e0 \u0111i\u1ec1u r\u1ea5t 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