{"id":10919,"date":"2025-08-07T03:18:07","date_gmt":"2025-08-07T03:18:07","guid":{"rendered":"https:\/\/korcosmetics.vn\/?p=10919"},"modified":"2025-08-11T09:47:47","modified_gmt":"2025-08-11T09:47:47","slug":"tac-dung-cua-vitamin-c","status":"publish","type":"post","link":"https:\/\/korcosmetics.vn\/ko\/tac-dung-cua-vitamin-c\/","title":{"rendered":"T\u00e1c d\u1ee5ng c\u1ee7a Vitamin C: Ch\u00eca Kh\u00f3a Cho L\u00e0n Da S\u00e1ng M\u1ecbn &#038; Kh\u1ecfe M\u1ea1nh"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Vitamin C t\u1eeb l\u00e2u \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t &#8220;si\u00eau sao&#8221; trong th\u1ebf gi\u1edbi l\u00e0m \u0111\u1eb9p nh\u1edd kh\u1ea3 n\u0103ng mang l\u1ea1i l\u00e0n da s\u00e1ng r\u1ef1c r\u1ee1. Tuy nhi\u00ean, b\u1ea1n \u0111\u00e3 th\u1ef1c s\u1ef1 hi\u1ec3u r\u00f5 v\u1ec1 ho\u1ea1t ch\u1ea5t n\u00e0y v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng n\u00f3 hi\u1ec7u qu\u1ea3 nh\u1ea5t ch\u01b0a? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o <\/span><a href=\"https:\/\/korcosmetics.vn\/tac-dung-cua-vitamin-c\/\" target=\"_blank\" rel=\"noopener\"><b>t\u00e1c d\u1ee5ng c\u1ee7a vitamin C<\/b><\/a><span style=\"font-weight: 400;\">, gi\u1ea3i \u0111\u00e1p m\u1ecdi th\u1eafc m\u1eafc, t\u1eeb c\u01a1 ch\u1ebf l\u00e0m s\u00e1ng da, c\u00e1ch d\u00f9ng vitamin C \u0111\u00fang chu\u1ea9n, cho \u0111\u1ebfn vi\u1ec7c k\u1ebft h\u1ee3p s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p.<\/span><\/p>\n<h2><b>1. Vitamin C L\u00e0 G\u00ec v\u00e0 V\u00ec Sao N\u00f3 \u0110\u01b0\u1ee3c D\u00f9ng Nhi\u1ec1u Trong L\u00e0m \u0110\u1eb9p?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Vitamin C, hay c\u00f2n g\u1ecdi l\u00e0 axit L-ascorbic v\u00e0 c\u00e1c d\u1eabn xu\u1ea5t c\u1ee7a n\u00f3, l\u00e0 m\u1ed9t ch\u1ea5t ch\u1ed1ng oxy h\u00f3a m\u1ea1nh m\u1ebd. Ho\u1ea1t ch\u1ea5t n\u00e0y kh\u00f4ng ch\u1ec9 thi\u1ebft y\u1ebfu cho s\u1ee9c kh\u1ecfe m\u00e0 c\u00f2n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ch\u0103m s\u00f3c da.<\/span><\/p>\n<figure id=\"attachment_10920\" aria-describedby=\"caption-attachment-10920\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-10920 size-full\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c4.jpg\" alt=\"T\u00e1c d\u1ee5ng c\u1ee7a Vitamin C\" width=\"700\" height=\"500\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c4.jpg 700w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c4-560x400.jpg 560w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c4-18x12.jpg 18w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c4-600x429.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-10920\" class=\"wp-caption-text\">Vitamin C, hay c\u00f2n g\u1ecdi l\u00e0 axit L-ascorbic v\u00e0 c\u00e1c d\u1eabn xu\u1ea5t c\u1ee7a n\u00f3, l\u00e0 m\u1ed9t ch\u1ea5t ch\u1ed1ng oxy h\u00f3a m\u1ea1nh m\u1ebd<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ch\u1ed1ng oxy h\u00f3a:<\/b><span style=\"font-weight: 400;\"> Vitamin C gi\u00fap b\u1ea3o v\u1ec7 da kh\u1ecfi t\u00e1c h\u1ea1i c\u1ee7a c\u00e1c g\u1ed1c t\u1ef1 do g\u00e2y ra b\u1edfi tia UV v\u00e0 \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, t\u1eeb \u0111\u00f3 ng\u0103n ng\u1eeba l\u00e3o h\u00f3a s\u1edbm.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u00e0m s\u00e1ng da:<\/b><span style=\"font-weight: 400;\"> \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng <\/span><b>t\u00e1c d\u1ee5ng c\u1ee7a vitamin C<\/b><span style=\"font-weight: 400;\"> \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t. Ho\u1ea1t ch\u1ea5t n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng \u1ee9c ch\u1ebf enzyme tyrosinase, gi\u1ea3m s\u1ea3n xu\u1ea5t melanin \u2013 nguy\u00ean nh\u00e2n g\u00e2y ra n\u00e1m, t\u00e0n nhang v\u00e0 s\u1ea1m da. Nh\u1edd \u0111\u00f3, vitamin C gi\u00fap da \u0111\u1ec1u m\u00e0u v\u00e0 <\/span><b>l\u00e0m s\u00e1ng da<\/b><span style=\"font-weight: 400;\"> m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u0103ng sinh collagen:<\/b><span style=\"font-weight: 400;\"> Vitamin C l\u00e0 y\u1ebfu t\u1ed1 c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u01a1 th\u1ec3 s\u1ea3n xu\u1ea5t collagen, gi\u00fap duy tr\u00ec \u0111\u1ed9 \u0111\u00e0n h\u1ed3i, s\u0103n ch\u1eafc v\u00e0 l\u00e0m gi\u1ea3m n\u1ebfp nh\u0103n tr\u00ean da.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Nh\u1edd nh\u1eefng t\u00e1c d\u1ee5ng c\u1ee7a vitamin C tr\u00ean, serum vitamin C l\u00e0m s\u00e1ng da tr\u1edf th\u00e0nh m\u1ed9t s\u1ea3n ph\u1ea9m kh\u00f4ng th\u1ec3 thi\u1ebfu trong chu tr\u00ecnh ch\u0103m s\u00f3c da c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi.<\/span><\/p>\n<h2><b>2. Serum Vitamin C C\u00f3 Th\u1ef1c S\u1ef1 L\u00e0m S\u00e1ng Da Kh\u00f4ng?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 c\u00e2u h\u1ecfi m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi b\u0103n kho\u0103n khi m\u1edbi b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng. <\/span><b>Serum vitamin C c\u00f3 l\u00e0m s\u00e1ng da kh\u00f4ng<\/b><span style=\"font-weight: 400;\"> ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c b\u1ea1n d\u00f9ng \u0111\u00fang c\u00e1ch v\u00e0 ki\u00ean tr\u00ec.<\/span><\/p>\n<figure id=\"attachment_10921\" aria-describedby=\"caption-attachment-10921\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-10921 size-full\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c1.jpg\" alt=\"Serum Vitamin C C\u00f3 Th\u1ef1c S\u1ef1 L\u00e0m S\u00e1ng Da Kh\u00f4ng\" width=\"700\" height=\"500\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c1.jpg 700w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c1-560x400.jpg 560w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c1-18x12.jpg 18w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c1-600x429.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-10921\" class=\"wp-caption-text\">Serum vitamin C c\u00f3 l\u00e0m s\u00e1ng da kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c b\u1ea1n d\u00f9ng \u0111\u00fang c\u00e1ch v\u00e0 ki\u00ean tr\u00ec<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng:<\/b><span style=\"font-weight: 400;\"> Khi thoa l\u00ean da, vitamin C th\u1ea9m th\u1ea5u v\u00e0o c\u00e1c l\u1edbp bi\u1ec3u b\u00ec, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t &#8220;ng\u01b0\u1eddi l\u00ednh&#8221; b\u1ea3o v\u1ec7 da kh\u1ecfi t\u00e1c \u0111\u1ed9ng t\u1eeb m\u00f4i tr\u01b0\u1eddng. \u0110\u1ed3ng th\u1eddi, n\u00f3 ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p melanin, gi\u00fap l\u00e0m m\u1edd c\u00e1c \u0111\u1ed1m n\u00e2u, t\u00e0n nhang v\u00e0 <\/span><b>tr\u1ecb th\u00e2m m\u1ee5n<\/b><span style=\"font-weight: 400;\"> m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Hi\u1ec7u qu\u1ea3 th\u1ef1c t\u1ebf:<\/b><span style=\"font-weight: 400;\"> Nhi\u1ec1u nghi\u00ean c\u1ee9u l\u00e2m s\u00e0ng \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng, vi\u1ec7c s\u1eed d\u1ee5ng serum <\/span><b>vitamin C l\u00e0m s\u00e1ng da<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec1u \u0111\u1eb7n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n s\u1eafc t\u1ed1 da r\u00f5 r\u1ec7t ch\u1ec9 sau 2-4 tu\u1ea7n. Tuy nhi\u00ean, hi\u1ec7u qu\u1ea3 s\u1ebd cao nh\u1ea5t khi b\u1ea1n d\u00f9ng \u0111\u00fang n\u1ed3ng \u0111\u1ed9 v\u00e0 b\u1ea3o qu\u1ea3n s\u1ea3n ph\u1ea9m \u0111\u00fang c\u00e1ch \u0111\u1ec3 tr\u00e1nh b\u1ecb oxy h\u00f3a.<\/span><\/li>\n<\/ul>\n<h2><b>3. Nh\u1eefng T\u00e1c D\u1ee5ng Ch\u00ednh C\u1ee7a Serum Vitamin C \u0110\u1ed1i V\u1edbi L\u00e0n Da<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">V\u1edbi nh\u1eefng c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng \u0111\u1eb7c bi\u1ec7t, serum vitamin C l\u00e0m s\u00e1ng da mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i:<\/span><\/p>\n<figure id=\"attachment_10922\" aria-describedby=\"caption-attachment-10922\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-10922\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c2.jpg\" alt=\"Nh\u1eefng t\u00e1c d\u1ee5ng ch\u00ednh c\u1ee7a serum vitamin c \u0111\u1ed1i v\u1edbi l\u00e0n da\" width=\"700\" height=\"500\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c2.jpg 700w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c2-560x400.jpg 560w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c2-18x12.jpg 18w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c2-600x429.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-10922\" class=\"wp-caption-text\">Nh\u1eefng t\u00e1c d\u1ee5ng ch\u00ednh c\u1ee7a serum vitamin c \u0111\u1ed1i v\u1edbi l\u00e0n da<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Gi\u00fap da s\u00e1ng v\u00e0 \u0111\u1ec1u m\u00e0u:<\/b><span style=\"font-weight: 400;\"> \u0110\u00e2y l\u00e0 <\/span><b>t\u00e1c d\u1ee5ng c\u1ee7a vitamin C<\/b><span style=\"font-weight: 400;\"> r\u00f5 r\u1ec7t nh\u1ea5t. N\u00f3 gi\u00fap c\u1ea3i thi\u1ec7n l\u00e0n da x\u1ec9n m\u00e0u, k\u00e9m s\u1ee9c s\u1ed1ng, mang l\u1ea1i v\u1ebb t\u01b0\u01a1i tr\u1ebb v\u00e0 r\u1ea1ng r\u1ee1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Gi\u1ea3m th\u00e2m m\u1ee5n, n\u00e1m nh\u1eb9:<\/b> <b>Vitamin C tr\u1ecb th\u00e2m m\u1ee5n<\/b><span style=\"font-weight: 400;\"> r\u1ea5t hi\u1ec7u qu\u1ea3 nh\u1edd kh\u1ea3 n\u0103ng \u1ee9c ch\u1ebf melanin \u1edf c\u00e1c v\u00f9ng da b\u1ecb t\u1ed5n th\u01b0\u01a1ng sau m\u1ee5n, gi\u00fap v\u1ebft th\u00e2m m\u1edd \u0111i nhanh ch\u00f3ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ch\u1ed1ng oxy h\u00f3a m\u1ea1nh m\u1ebd:<\/b><span style=\"font-weight: 400;\"> Ho\u1ea1t ch\u1ea5t n\u00e0y b\u1ea3o v\u1ec7 t\u1ebf b\u00e0o da kh\u1ecfi c\u00e1c g\u1ed1c t\u1ef1 do, ng\u0103n ng\u1eeba c\u00e1c d\u1ea5u hi\u1ec7u l\u00e3o h\u00f3a s\u1edbm nh\u01b0 n\u1ebfp nh\u0103n, da ch\u1ea3y x\u1ec7.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 kem ch\u1ed1ng n\u1eafng:<\/b><span style=\"font-weight: 400;\"> Khi d\u00f9ng v\u00e0o bu\u1ed5i s\u00e1ng, vitamin C gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i tia UV c\u1ee7a kem ch\u1ed1ng n\u1eafng, t\u1ea1o th\u00e0nh m\u1ed9t &#8220;l\u00e1 ch\u1eafn&#8221; b\u1ea3o v\u1ec7 da ho\u00e0n h\u1ea3o h\u01a1n.<\/span><\/li>\n<\/ul>\n<h2><b>4. C\u00e1ch D\u00f9ng Serum Vitamin C Hi\u1ec7u Qu\u1ea3 Nh\u1ea5t B\u1ea1n C\u1ea7n Bi\u1ebft<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a <\/span><b>t\u00e1c d\u1ee5ng c\u1ee7a vitamin C<\/b><span style=\"font-weight: 400;\">, b\u1ea1n c\u1ea7n tu\u00e2n th\u1ee7 m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n trong chu tr\u00ecnh d\u01b0\u1ee1ng da c\u1ee7a m\u00ecnh:<\/span><\/p>\n<figure id=\"attachment_10923\" aria-describedby=\"caption-attachment-10923\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-10923\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c3.jpg\" alt=\"C\u00e1ch d\u00f9ng serum vitamin c hi\u1ec7u qu\u1ea3 nh\u1ea5t b\u1ea1n c\u1ea7n bi\u1ebft\" width=\"700\" height=\"500\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c3.jpg 700w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c3-560x400.jpg 560w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c3-18x12.jpg 18w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/tac-dung-cua-vitamin-c3-600x429.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-10923\" class=\"wp-caption-text\">C\u00e1ch d\u00f9ng serum vitamin c hi\u1ec7u qu\u1ea3 nh\u1ea5t b\u1ea1n c\u1ea7n bi\u1ebft<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>N\u00ean d\u00f9ng vitamin C bu\u1ed5i s\u00e1ng hay t\u1ed1i?<\/b><span style=\"font-weight: 400;\"> B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng c\u1ea3 hai, nh\u01b0ng bu\u1ed5i s\u00e1ng l\u00e0 th\u1eddi \u0111i\u1ec3m l\u00fd t\u01b0\u1edfng nh\u1ea5t. Khi k\u1ebft h\u1ee3p v\u1edbi kem ch\u1ed1ng n\u1eafng, vitamin C gi\u00fap b\u1ea3o v\u1ec7 da t\u1ed1i \u01b0u kh\u1ecfi c\u00e1c t\u00e1c nh\u00e2n g\u00e2y h\u1ea1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Lu\u00f4n d\u00f9ng kem ch\u1ed1ng n\u1eafng:<\/b><span style=\"font-weight: 400;\"> \u0110\u00e2y l\u00e0 nguy\u00ean t\u1eafc b\u1eaft bu\u1ed9c khi s\u1eed d\u1ee5ng vitamin C, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u00e0o ban ng\u00e0y. Kem ch\u1ed1ng n\u1eafng s\u1ebd b\u1ea3o v\u1ec7 da kh\u1ecfi tia UV v\u00e0 gi\u00fap c\u00e1c d\u01b0\u1ee1ng ch\u1ea5t ph\u00e1t huy t\u00e1c d\u1ee5ng t\u1ed1t nh\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>V\u1ecb tr\u00ed trong quy tr\u00ecnh d\u01b0\u1ee1ng da:<\/b><span style=\"font-weight: 400;\"> C\u00e1ch d\u00f9ng vitamin C hi\u1ec7u qu\u1ea3 l\u00e0 thoa sau b\u01b0\u1edbc toner \u0111\u1ec3 c\u00e2n b\u1eb1ng \u0111\u1ed9 pH cho da, v\u00e0 tr\u01b0\u1edbc c\u00e1c lo\u1ea1i serum d\u01b0\u1ee1ng \u1ea9m kh\u00e1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kh\u00f4ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ho\u1ea1t ch\u1ea5t m\u1ea1nh:<\/b><span style=\"font-weight: 400;\"> B\u1ea1n n\u00ean tr\u00e1nh d\u00f9ng vitamin C tr\u1ef1c ti\u1ebfp c\u00f9ng l\u00fac v\u1edbi c\u00e1c ho\u1ea1t ch\u1ea5t c\u00f3 \u0111\u1ed9 pH qu\u00e1 ch\u00eanh l\u1ec7ch nh\u01b0 Niacinamide n\u1ed3ng \u0111\u1ed9 cao ho\u1eb7c AHA\/BHA m\u1ea1nh. T\u1ed1t nh\u1ea5t l\u00e0 d\u00f9ng c\u00e1ch ng\u00e0y ho\u1eb7c gi\u00e3n c\u00e1ch th\u1eddi gian \u0111\u1ec3 tr\u00e1nh k\u00edch \u1ee9ng da.<\/span><\/li>\n<\/ul>\n<h2><b>5. G\u1ee3i \u00dd S\u1ea3n Ph\u1ea9m KOR Gi\u00fap T\u1ed1i \u01afu T\u00e1c D\u1ee5ng C\u1ee7a Vitamin C<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 c\u00f3 m\u1ed9t chu tr\u00ecnh d\u01b0\u1ee1ng da s\u00e1ng kh\u1ecfe an to\u00e0n, vi\u1ec7c k\u1ebft h\u1ee3p serum vitamin C v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng. B\u1ed9 s\u1ea3n ph\u1ea9m c\u1ee7a KOR, \u0111\u1eb7c bi\u1ec7t l\u00e0 <\/span><b>serum KOR<\/b><span style=\"font-weight: 400;\"> c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng.<\/span><\/p>\n<h3><b><i>5.1. Serum Vitamin C KOR \u2013 N\u1ed3ng \u0110\u1ed9 \u1ed4n \u0110\u1ecbnh<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 s\u1ea3n ph\u1ea9m ch\u00ednh trong chu tr\u00ecnh. <\/span><a href=\"https:\/\/korcosmetics.vn\/san-pham\/serum-duong-trang-mo-nhan-kor-supreme-facial\/\" target=\"_blank\" rel=\"noopener\"><b>Serum KOR<\/b><\/a><span style=\"font-weight: 400;\"> n\u00e0y s\u1eed d\u1ee5ng d\u1eabn xu\u1ea5t vitamin C b\u1ec1n v\u1eefng, \u00edt g\u00e2y oxy h\u00f3a v\u00e0 \u00edt k\u00edch \u1ee9ng h\u01a1n so v\u1edbi d\u1ea1ng nguy\u00ean ch\u1ea5t. \u0110i\u1ec1u n\u00e0y l\u00e0m cho s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p v\u1edbi c\u1ea3 nh\u1eefng l\u00e0n da nh\u1ea1y c\u1ea3m.<\/span><\/p>\n<figure id=\"attachment_10841\" aria-describedby=\"caption-attachment-10841\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-10841\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/phuc-hoi-da-khi-ngu2.jpg\" alt=\"Serum ph\u1ee5c h\u1ed3i chuy\u00ean s\u00e2u KOR\" width=\"700\" height=\"500\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/phuc-hoi-da-khi-ngu2.jpg 700w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/phuc-hoi-da-khi-ngu2-560x400.jpg 560w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/phuc-hoi-da-khi-ngu2-18x12.jpg 18w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/phuc-hoi-da-khi-ngu2-600x429.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-10841\" class=\"wp-caption-text\">Serum ph\u1ee5c h\u1ed3i chuy\u00ean s\u00e2u KOR<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u01afu \u0111i\u1ec3m:<\/b><span style=\"font-weight: 400;\"> D\u1eabn xu\u1ea5t vitamin C \u1ed5n \u0111\u1ecbnh, k\u1ebft h\u1ee3p c\u00f9ng Hyaluronic Acid gi\u00fap c\u1ea5p \u1ea9m s\u00e2u. Nh\u1edd \u0111\u00f3, s\u1ea3n ph\u1ea9m kh\u00f4ng ch\u1ec9 c\u00f3 t\u00e1c d\u1ee5ng c\u1ee7a vitamin C l\u00e0 l\u00e0m s\u00e1ng da m\u00e0 c\u00f2n gi\u00fap da m\u1ec1m m\u01b0\u1ee3t, c\u0103ng b\u00f3ng, kh\u00f4ng b\u1ecb kh\u00f4 c\u0103ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00e1c d\u1ee5ng ch\u00ednh: H\u1ed7 tr\u1ee3 vitamin C l\u00e0m s\u00e1ng da \u0111\u1ec1u m\u00e0u, l\u00e0m m\u1edd th\u00e2m m\u1ee5n v\u00e0 ch\u1ed1ng oxy h\u00f3a.<\/span><\/li>\n<\/ul>\n<h3><b><i>5.2. Toner KOR C\u1ea5p \u1ea8m<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Toner l\u00e0 b\u01b0\u1edbc kh\u00f4ng th\u1ec3 thi\u1ebfu tr\u01b0\u1edbc khi d\u00f9ng c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u1eb7c tr\u1ecb. <\/span><a href=\"https:\/\/korcosmetics.vn\/san-pham\/toner-cap-am-duong-trang-ngua-lao-hoa-kor-supreme-facial\/\" target=\"_blank\" rel=\"noopener\"><b>KOR \ud1a0\ub108<\/b><\/a><span style=\"font-weight: 400;\"> gi\u00fap c\u00e2n b\u1eb1ng \u0111\u1ed9 pH v\u00e0 c\u1ea5p \u1ea9m t\u1ee9c th\u00ec, t\u1ea1o n\u1ec1n da \u1ea9m m\u1ecbn l\u00fd t\u01b0\u1edfng.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u1ee3i \u00edch khi k\u1ebft h\u1ee3p:<\/b><span style=\"font-weight: 400;\"> M\u1ed9t l\u00e0n da \u0111\u1ee7 \u1ea9m s\u1ebd h\u1ea5p th\u1ee5 serum vitamin C KOR t\u1ed1t h\u01a1n. Vi\u1ec7c l\u00e0m d\u1ecbu da tr\u01b0\u1edbc khi d\u00f9ng ho\u1ea1t ch\u1ea5t c\u0169ng gi\u00fap gi\u1ea3m thi\u1ec3u nguy c\u01a1 k\u00edch \u1ee9ng.<\/span><\/li>\n<\/ul>\n<h3><b><i>5.3. Kem D\u01b0\u1ee1ng KOR L\u00e0m D\u1ecbu v\u00e0 Kh\u00f3a \u1ea8m<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Sau khi s\u1eed d\u1ee5ng serum, kem d\u01b0\u1ee1ng \u1ea9m c\u00f3 nhi\u1ec7m v\u1ee5 kh\u00f3a l\u1ea1i c\u00e1c d\u01b0\u1ee1ng ch\u1ea5t \u0111\u00e3 thoa tr\u00ean da.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u00e1c d\u1ee5ng c\u1ee7a kem d\u01b0\u1ee1ng:<\/b> <strong><a class=\"in-cell-link\" href=\"https:\/\/korcosmetics.vn\/kem-duong-am-han-quoc-cho-da-nam\/\" target=\"_blank\" rel=\"noopener\">Kem d\u01b0\u1ee1ng \u1ea9m H\u00e0n Qu\u1ed1c cho da n\u00e1m<\/a><\/strong><b>\u00a0KOR<\/b><span style=\"font-weight: 400;\"> gi\u00fap c\u1ee7ng c\u1ed1 h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7 da, l\u00e0m d\u1ecbu v\u00e0 ph\u1ee5c h\u1ed3i da, \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng sau khi d\u00f9ng c\u00e1c ho\u1ea1t ch\u1ea5t \u0111\u1eb7c tr\u1ecb nh\u01b0 vitamin C, \u0111\u1ea3m b\u1ea3o da lu\u00f4n kh\u1ecfe m\u1ea1nh v\u00e0 \u1ea9m m\u01b0\u1ee3t.<\/span><\/li>\n<\/ul>\n<h3><b><i>5.4. Kem Ch\u1ed1ng N\u1eafng KOR<\/i><\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 duy tr\u00ec hi\u1ec7u qu\u1ea3, vi\u1ec7c b\u1ea3o v\u1ec7 da kh\u1ecfi tia UV l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/span><\/p>\n<figure id=\"attachment_8238\" aria-describedby=\"caption-attachment-8238\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-8238\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2024\/03\/Kem-chong-nang-KOR-1-1.jpg\" alt=\"Kem ch\u1ed1ng n\u1eafng KOR Ultra Light Daily Sunscreen Cream\" width=\"700\" height=\"394\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2024\/03\/Kem-chong-nang-KOR-1-1.jpg 1920w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2024\/03\/Kem-chong-nang-KOR-1-1-711x400.jpg 711w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2024\/03\/Kem-chong-nang-KOR-1-1-1400x788.jpg 1400w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2024\/03\/Kem-chong-nang-KOR-1-1-768x432.jpg 768w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2024\/03\/Kem-chong-nang-KOR-1-1-1536x864.jpg 1536w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2024\/03\/Kem-chong-nang-KOR-1-1-600x338.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-8238\" class=\"wp-caption-text\">Kem ch\u1ed1ng n\u1eafng KOR Ultra Light Daily Sunscreen Cream<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u1ea1i sao c\u1ea7n d\u00f9ng ch\u1ed1ng n\u1eafng sau serum C?<\/b><span style=\"font-weight: 400;\"> Vitamin C gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1eafng, t\u1ea1o l\u1edbp b\u1ea3o v\u1ec7 k\u00e9p cho da. <\/span><a href=\"https:\/\/korcosmetics.vn\/san-pham\/kem-chong-nang-nang-tone-kor-han-quoc\/\" target=\"_blank\" rel=\"noopener\"><b>Kem ch\u1ed1ng n\u1eafng KOR<\/b><\/a><span style=\"font-weight: 400;\"> v\u1edbi ch\u1ec9 s\u1ed1 SPF cao s\u1ebd b\u1ea3o v\u1ec7 da kh\u1ecfi tia UVA\/UVB, ng\u0103n ng\u1eeba da s\u1ea1m m\u00e0u tr\u1edf l\u1ea1i v\u00e0 duy tr\u00ec k\u1ebft qu\u1ea3 d\u01b0\u1ee1ng s\u00e1ng l\u00e2u d\u00e0i.<\/span><\/li>\n<\/ul>\n<h2><b>6. Chu Tr\u00ecnh D\u01b0\u1ee1ng S\u00e1ng Da K\u1ebft H\u1ee3p Vitamin C v\u00e0 KOR<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1ed9t chu tr\u00ecnh d\u01b0\u1ee1ng da h\u1ee3p l\u00fd s\u1ebd gi\u00fap b\u1ea1n t\u1eadn d\u1ee5ng t\u1ed1i \u0111a <\/span><b>t\u00e1c d\u1ee5ng c\u1ee7a vitamin C<\/b><span style=\"font-weight: 400;\"> v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u00e0n da mong mu\u1ed1n. \u0110\u00e2y l\u00e0 g\u1ee3i \u00fd chu tr\u00ecnh d\u01b0\u1ee1ng s\u00e1ng v\u1edbi b\u1ed9 s\u1ea3n ph\u1ea9m <\/span><b>d\u01b0\u1ee1ng s\u00e1ng da KOR<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n<h4><b>Bu\u1ed5i S\u00e1ng (D\u01b0\u1ee1ng s\u00e1ng v\u00e0 B\u1ea3o v\u1ec7):<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 th\u1eddi \u0111i\u1ec3m th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ec3 d\u00f9ng vitamin C, gi\u00fap da \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 1: L\u00e0m s\u1ea1ch<\/b><span style=\"font-weight: 400;\"> \u2013 B\u1eaft \u0111\u1ea7u v\u1edbi s\u1eefa r\u1eeda m\u1eb7t c\u1ee7a KOR \u0111\u1ec3 lo\u1ea1i b\u1ecf d\u1ea7u th\u1eeba v\u00e0 b\u1ee5i b\u1ea9n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 2: C\u00e2n b\u1eb1ng<\/b><span style=\"font-weight: 400;\"> \u2013 D\u00f9ng <\/span><b>KOR \ud1a0\ub108<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 c\u1ea5p \u1ea9m v\u00e0 c\u00e2n b\u1eb1ng \u0111\u1ed9 pH cho da.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 3: \u0110\u1eb7c tr\u1ecb<\/b><span style=\"font-weight: 400;\"> \u2013 Thoa 2-3 gi\u1ecdt <\/span><b>serum C KOR<\/b><span style=\"font-weight: 400;\">. V\u1ed7 nh\u1eb9 \u0111\u1ec3 serum th\u1ea9m th\u1ea5u ho\u00e0n to\u00e0n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 4: D\u01b0\u1ee1ng \u1ea9m<\/b><span style=\"font-weight: 400;\"> \u2013 S\u1eed d\u1ee5ng kem d\u01b0\u1ee1ng KOR \u0111\u1ec3 kh\u00f3a \u1ea9m, gi\u1eef da m\u1ec1m m\u1ea1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 5: Ch\u1ed1ng n\u1eafng<\/b><span style=\"font-weight: 400;\"> \u2013 Thoa \u0111\u1ec1u <\/span><b>kem ch\u1ed1ng n\u1eafng KOR<\/b><span style=\"font-weight: 400;\"> v\u1edbi l\u01b0\u1ee3ng v\u1eeba \u0111\u1ee7 (kho\u1ea3ng 2 \u0111\u1ed1t ng\u00f3n tay) \u0111\u1ec3 b\u1ea3o v\u1ec7 da kh\u1ecfi tia UV, t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 d\u01b0\u1ee1ng s\u00e1ng.<\/span><\/li>\n<\/ul>\n<h4><b>Bu\u1ed5i T\u1ed1i (Ph\u1ee5c h\u1ed3i v\u00e0 T\u00e1i t\u1ea1o):<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Bu\u1ed5i t\u1ed1i l\u00e0 th\u1eddi \u0111i\u1ec3m da ph\u1ee5c h\u1ed3i. T\u00f9y v\u00e0o t\u00ecnh tr\u1ea1ng da, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh chu tr\u00ecnh.<\/span><\/p>\n<figure id=\"attachment_10827\" aria-describedby=\"caption-attachment-10827\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-10827\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/Da-kho-vi-dieu-hoa2.jpg\" alt=\"Chu tr\u00ecnh d\u01b0\u1ee1ng s\u00e1ng da k\u1ebft h\u1ee3p vitamin c v\u00e0 kor\" width=\"700\" height=\"500\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/Da-kho-vi-dieu-hoa2.jpg 700w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/Da-kho-vi-dieu-hoa2-560x400.jpg 560w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/Da-kho-vi-dieu-hoa2-18x12.jpg 18w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2025\/08\/Da-kho-vi-dieu-hoa2-600x429.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-10827\" class=\"wp-caption-text\">Chu tr\u00ecnh d\u01b0\u1ee1ng s\u00e1ng da k\u1ebft h\u1ee3p vitamin c v\u00e0 kor<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 1: L\u00e0m s\u1ea1ch<\/b><span style=\"font-weight: 400;\"> \u2013 T\u1ea9y trang v\u00e0 r\u1eeda m\u1eb7t \u0111\u1ec3 l\u00e0m s\u1ea1ch s\u00e2u sau m\u1ed9t ng\u00e0y d\u00e0i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 2: C\u00e2n b\u1eb1ng<\/b><span style=\"font-weight: 400;\"> \u2013 Ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng <\/span><b>KOR \ud1a0\ub108<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 3: D\u01b0\u1ee1ng chuy\u00ean s\u00e2u<\/b><span style=\"font-weight: 400;\"> \u2013 B\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c d\u00f9ng <\/span><b>serum vitamin C H\u00e0n Qu\u1ed1c<\/b><span style=\"font-weight: 400;\"> c\u1ee7a KOR n\u1ebfu da \u0111\u00e3 quen. Ho\u1eb7c c\u00f3 th\u1ec3 thay b\u1eb1ng m\u1ed9t lo\u1ea1i serum ph\u1ee5c h\u1ed3i da kh\u00e1c \u0111\u1ec3 da \u0111\u01b0\u1ee3c ngh\u1ec9 ng\u01a1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 4: D\u01b0\u1ee1ng \u1ea9m<\/b><span style=\"font-weight: 400;\"> \u2013 Ho\u00e0n t\u1ea5t chu tr\u00ecnh b\u1eb1ng kem d\u01b0\u1ee1ng \u1ea9m KOR \u0111\u1ec3 cung c\u1ea5p \u0111\u1ed9 \u1ea9m c\u1ea7n thi\u1ebft v\u00e0 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh t\u00e1i t\u1ea1o da ban \u0111\u00eam.<\/span><\/li>\n<\/ul>\n<h2><b>7. Nh\u1eefng Sai L\u1ea7m Th\u01b0\u1eddng G\u1eb7p Khi D\u00f9ng Serum Vitamin C<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a v\u00e0 tr\u00e1nh nh\u1eefng r\u1ee7i ro kh\u00f4ng \u0111\u00e1ng c\u00f3, b\u1ea1n c\u1ea7n l\u01b0u \u00fd:<\/span><\/p>\n<figure id=\"attachment_7469\" aria-describedby=\"caption-attachment-7469\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-7469\" src=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2024\/12\/serum-duong-da-hot-20252.jpg\" alt=\"Nh\u1eefng sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p khi d\u00f9ng serum vitamin c\" width=\"700\" height=\"500\" srcset=\"https:\/\/korcosmetics.vn\/wp-content\/uploads\/2024\/12\/serum-duong-da-hot-20252.jpg 700w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2024\/12\/serum-duong-da-hot-20252-560x400.jpg 560w, https:\/\/korcosmetics.vn\/wp-content\/uploads\/2024\/12\/serum-duong-da-hot-20252-600x429.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-7469\" class=\"wp-caption-text\">Nh\u1eefng sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p khi d\u00f9ng serum vitamin c<\/figcaption><\/figure>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kh\u00f4ng b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch:<\/b><span style=\"font-weight: 400;\"> Vitamin C r\u1ea5t d\u1ec5 b\u1ecb oxy h\u00f3a khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed, \u00e1nh s\u00e1ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao. H\u00e3y b\u1ea3o qu\u1ea3n s\u1ea3n ph\u1ea9m trong t\u1ee7 l\u1ea1nh ho\u1eb7c n\u01a1i tho\u00e1ng m\u00e1t, tr\u00e1nh \u00e1nh s\u00e1ng tr\u1ef1c ti\u1ebfp.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>D\u00f9ng n\u1ed3ng \u0111\u1ed9 qu\u00e1 cao:<\/b><span style=\"font-weight: 400;\"> B\u1eaft \u0111\u1ea7u v\u1edbi n\u1ed3ng \u0111\u1ed9 th\u1ea5p (kho\u1ea3ng 10%) v\u00e0 t\u0103ng d\u1ea7n n\u1ebfu da \u0111\u00e3 quen. D\u00f9ng n\u1ed3ng \u0111\u1ed9 qu\u00e1 cao ngay t\u1eeb \u0111\u1ea7u c\u00f3 th\u1ec3 g\u00e2y k\u00edch \u1ee9ng, m\u1ea9n \u0111\u1ecf.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ecf qua kem ch\u1ed1ng n\u1eafng:<\/b><span style=\"font-weight: 400;\"> \u0110\u00e2y l\u00e0 sai l\u1ea7m nghi\u00eam tr\u1ecdng nh\u1ea5t. Kh\u00f4ng ch\u1ed1ng n\u1eafng s\u1ebd khi\u1ebfn da d\u1ec5 b\u1eaft n\u1eafng h\u01a1n, l\u00e0m m\u1ea5t \u0111i t\u00e1c d\u1ee5ng c\u1ee7a serum v\u00e0 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 s\u1eafc t\u1ed1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Mix c\u00e1c ho\u1ea1t ch\u1ea5t m\u1ea1nh kh\u00f4ng \u0111\u00fang c\u00e1ch:<\/b><span style=\"font-weight: 400;\"> N\u1ebfu mu\u1ed1n d\u00f9ng chung vitamin C v\u1edbi AHA\/BHA, b\u1ea1n n\u00ean gi\u00e3n c\u00e1ch th\u1eddi gian (s\u00e1ng d\u00f9ng C, t\u1ed1i d\u00f9ng AHA\/BHA) ho\u1eb7c d\u00f9ng c\u00e1ch ng\u00e0y \u0111\u1ec3 da kh\u00f4ng b\u1ecb qu\u00e1 t\u1ea3i.<\/span><\/li>\n<\/ul>\n<p><b>T\u00e1c d\u1ee5ng c\u1ee7a vitamin C<\/b><span style=\"font-weight: 400;\"> trong vi\u1ec7c l\u00e0m s\u00e1ng da, m\u1edd th\u00e2m v\u00e0 ch\u1ed1ng l\u00e3o h\u00f3a l\u00e0 kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn. Khi s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch d\u00f9ng vitamin C v\u00e0 k\u1ebft h\u1ee3p v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p nh\u01b0 b\u1ed9 d\u01b0\u1ee1ng s\u00e1ng da <a href=\"https:\/\/korcosmetics.vn\/\" target=\"_blank\" rel=\"noopener\"><strong>KOR<\/strong><\/a>, b\u1ea1n s\u1ebd nhanh ch\u00f3ng s\u1edf h\u1eefu m\u1ed9t l\u00e0n da c\u0103ng b\u00f3ng, \u0111\u1ec1u m\u00e0u v\u00e0 kh\u1ecfe m\u1ea1nh. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t gi\u1ea3i ph\u00e1p d\u01b0\u1ee1ng s\u00e1ng an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3, h\u00e3y th\u1eed tr\u1ea3i nghi\u1ec7m combo serum KOR v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c c\u1ee7a h\u00e3ng. \u0110\u1eebng ng\u1ea7n ng\u1ea1i \u0111\u1ec3 l\u1ea1i c\u00e2u h\u1ecfi ho\u1eb7c li\u00ean h\u1ec7 \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n chi ti\u1ebft h\u01a1n nh\u00e9!<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Vitamin C t\u1eeb l\u00e2u \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t &#8220;si\u00eau sao&#8221; trong th\u1ebf gi\u1edbi l\u00e0m \u0111\u1eb9p nh\u1edd kh\u1ea3 n\u0103ng mang l\u1ea1i l\u00e0n da s\u00e1ng r\u1ef1c r\u1ee1. Tuy nhi\u00ean, b\u1ea1n \u0111\u00e3 th\u1ef1c s\u1ef1 hi\u1ec3u r\u00f5 v\u1ec1 ho\u1ea1t ch\u1ea5t n\u00e0y v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng n\u00f3 hi\u1ec7u qu\u1ea3 nh\u1ea5t ch\u01b0a? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o t\u00e1c d\u1ee5ng&#8230;<\/p>","protected":false},"author":9,"featured_media":10922,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10919","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 v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>T\u00e1c d\u1ee5ng c\u1ee7a Vitamin C: Ch\u00eca Kh\u00f3a Cho L\u00e0n Da S\u00e1ng M\u1ecbn &amp; Kh\u1ecfe M\u1ea1nh<\/title>\n<meta name=\"description\" content=\"T\u00e1c d\u1ee5ng c\u1ee7a Vitamin C l\u00e0 g\u00ec? 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