{"id":19145,"date":"2026-03-23T00:12:50","date_gmt":"2026-03-23T00:12:50","guid":{"rendered":"https:\/\/onsenaspa.com.vn\/?p=19145"},"modified":"2026-03-23T04:04:31","modified_gmt":"2026-03-23T04:04:31","slug":"niacinamide-va-vitamin-c-ket-hop-da-ban-se-thay-doi-ra-sao","status":"publish","type":"post","link":"https:\/\/onsenaspa.com.vn\/en\/niacinamide-va-vitamin-c-ket-hop-da-ban-se-thay-doi-ra-sao\/","title":{"rendered":"Niacinamide v\u00e0 Vitamin C k\u1ebft h\u1ee3p: Da b\u1ea1n s\u1ebd thay \u0111\u1ed5i ra sao?"},"content":{"rendered":"

<\/p>\n

Khi hai \u201cchi\u1ebfn binh\u201d Vitamin C v\u00e0 Niacinamide c\u00f9ng nhau h\u1ed9i ng\u1ed9, l\u00e0n da s\u1ebd \u0111\u00f3n nh\u1eadn nh\u1eefng chuy\u1ec3n bi\u1ebfn \u0111\u00e1ng kinh ng\u1ea1c. Kh\u00e1m ph\u00e1 ngay c\u00e1ch hai ho\u1ea1t ch\u1ea5t \u0111\u00ecnh \u0111\u00e1m n\u00e0y ki\u1ebfn t\u1ea1o n\u00ean m\u1ed9t di\u1ec7n m\u1ea1o t\u01b0\u01a1i s\u00e1ng, kh\u1ecfe m\u1ea1nh v\u00e0 \u0111\u1ea7y s\u1ee9c s\u1ed1ng, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m ch\u0103m s\u00f3c da v\u01b0\u1ee3t tr\u1ed9i c\u00f9ng Onsenaspa<\/a>.<\/p>\n

\"Da<\/p>\n

C\u00f4ng d\u1ee5ng c\u1ee7a Vitamin C v\u00e0 Niacinamide<\/span><\/span><\/span><\/span><\/span><\/span><\/h2>\n

Vitamin C<\/span><\/span><\/span><\/span><\/span><\/span><\/h3>\n

\"Vitamin<\/p>\n

Vitamin C l\u00e0 m\u1ed9t ho\u1ea1t ch\u1ea5t ch\u1ed1ng oxy h\u00f3a m\u1ea1nh m\u1ebd, n\u1ed5i b\u1eadt v\u1edbi kh\u1ea3 n\u0103ng l\u00e0m s\u00e1ng v\u00e0 \u0111\u1ec1u m\u00e0u da, mang l\u1ea1i v\u1ebb r\u1ea1ng r\u1ee1 v\u00e0 t\u01b0\u01a1i tr\u1ebb.<\/span><\/em><\/p>\n

– L\u00e0m m\u1edd c\u00e1c \u0111\u1ed1m s\u1eafc t\u1ed1 v\u00e0 c\u1ea3i thi\u1ec7n t\u00f4ng m\u00e0u da: Vitamin C c\u00f3 kh\u1ea3 n\u0103ng \u1ee9c ch\u1ebf qu\u00e1 tr\u00ecnh s\u1ea3n sinh melanin, t\u1eeb \u0111\u00f3 l\u00e0m gi\u1ea3m s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a c\u00e1c v\u00f9ng da s\u1eabm m\u00e0u, \u0111\u1ed1m n\u00e2u v\u00e0 n\u00e1m. \u0110\u1ed3ng th\u1eddi, n\u00f3 c\u00f2n gi\u00fap l\u00e0m s\u00e1ng c\u00e1c v\u00f9ng da b\u1ecb x\u1ec9n m\u00e0u, mang l\u1ea1i l\u00e0n da tr\u1eafng h\u1ed3ng, \u0111\u1ec1u m\u00e0u.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– H\u1ed7 tr\u1ee3 ng\u0103n ng\u1eeba v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c d\u1ea5u hi\u1ec7u l\u00e3o h\u00f3a: Vitamin C \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ed5ng h\u1ee3p collagen, m\u1ed9t lo\u1ea1i protein thi\u1ebft y\u1ebfu gi\u00fap duy tr\u00ec \u0111\u1ed9 s\u0103n ch\u1eafc v\u00e0 \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00e0n da. Vi\u1ec7c b\u1ed5 sung \u0111\u1ee7 collagen s\u1ebd gi\u00fap l\u00e0m \u0111\u1ea7y c\u00e1c n\u1ebfp nh\u0103n, ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng ch\u1ea3y x\u1ec7, gi\u1eef cho l\u00e0n da lu\u00f4n c\u0103ng m\u1ecbn v\u00e0 tr\u1ebb trung.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– B\u1ea3o v\u1ec7 da kh\u1ecfi t\u00e1c h\u1ea1i c\u1ee7a g\u1ed1c t\u1ef1 do v\u00e0 tia UV: V\u1edbi \u0111\u1eb7c t\u00ednh ch\u1ed1ng oxy h\u00f3a m\u1ea1nh m\u1ebd, Vitamin C gi\u00fap trung h\u00f2a c\u00e1c g\u1ed1c t\u1ef1 do g\u00e2y h\u1ea1i, gi\u1ea3m thi\u1ec3u t\u1ed5n th\u01b0\u01a1ng t\u1ebf b\u00e0o do stress oxy h\u00f3a v\u00e0 \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng. B\u00ean c\u1ea1nh \u0111\u00f3, n\u00f3 c\u00f2n h\u1ed7 tr\u1ee3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 b\u1ea3o v\u1ec7 c\u1ee7a kem ch\u1ed1ng n\u1eafng, gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c c\u1ee7a tia c\u1ef1c t\u00edm l\u00ean da.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– Th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh ph\u1ee5c h\u1ed3i v\u00e0 l\u00e0m m\u1edd s\u1eb9o: Vitamin C h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh t\u00e1i t\u1ea1o t\u1ebf b\u00e0o da, gi\u00fap v\u1ebft th\u01b0\u01a1ng mau l\u00e0nh h\u01a1n. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong vi\u1ec7c l\u00e0m m\u1edd c\u00e1c v\u1ebft s\u1eb9o m\u1ee5n, s\u1eb9o th\u00e2m v\u00e0 c\u00e1c t\u1ed5n th\u01b0\u01a1ng da kh\u00e1c, tr\u1ea3 l\u1ea1i l\u00e0n da m\u1ecbn m\u00e0ng.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

Niacinamide<\/span><\/span><\/span><\/span><\/span><\/span><\/h3>\n

\"Niacinamide\"<\/p>\n

Niacinamide, m\u1ed9t d\u1ea1ng d\u1eabn xu\u1ea5t c\u1ee7a Vitamin B3, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac da, thu nh\u1ecf l\u1ed7 ch\u00e2n l\u00f4ng v\u00e0 t\u0103ng c\u01b0\u1eddng h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7 da.<\/span><\/em><\/p>\n

V\u1edbi Niacinamide (m\u1ed9t d\u1ea1ng th\u1ee9c c\u1ee7a vitamin B3), c\u00f3 nh\u1eefng l\u1ee3i \u00edch v\u1ec1 da nh\u01b0 sau:<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– T\u0103ng c\u01b0\u1eddng hydrat h\u00f3a v\u00e0 c\u1ee7ng c\u1ed1 h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7 da: Niacinamide gi\u00fap th\u00fac \u0111\u1ea9y s\u1ea3n sinh ceramide, m\u1ed9t th\u00e0nh ph\u1ea7n lipid t\u1ef1 nhi\u00ean quan tr\u1ecdng c\u1ee7a l\u1edbp s\u1eebng. \u0110i\u1ec1u n\u00e0y gi\u00fap ph\u1ee5c h\u1ed3i v\u00e0 c\u1ee7ng c\u1ed1 h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7 da, gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng m\u1ea5t n\u01b0\u1edbc qua da (TEWL), gi\u1eef cho l\u00e0n da lu\u00f4n \u1ea9m m\u01b0\u1ee3t v\u00e0 kh\u1ecfe m\u1ea1nh.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– C\u1ea3i thi\u1ec7n t\u00ecnh tr\u1ea1ng t\u0103ng s\u1eafc t\u1ed1 v\u00e0 l\u00e0m \u0111\u1ec1u m\u00e0u da: T\u01b0\u01a1ng t\u1ef1 Vitamin C, Niacinamide c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng \u1ee9c ch\u1ebf s\u1ef1 v\u1eadn chuy\u1ec3n melanin t\u1eeb t\u1ebf b\u00e0o s\u1eafc t\u1ed1 l\u00ean c\u00e1c t\u1ebf b\u00e0o bi\u1ec3u b\u00ec. Nh\u1edd \u0111\u00f3, n\u00f3 gi\u00fap l\u00e0m m\u1edd c\u00e1c \u0111\u1ed1m n\u00e2u, n\u00e1m, t\u00e0n nhang, c\u1ea3i thi\u1ec7n t\u00ecnh tr\u1ea1ng da kh\u00f4ng \u0111\u1ec1u m\u00e0u v\u00e0 l\u00e0m s\u00e1ng c\u00e1c v\u00f9ng da s\u1ea1m \u0111en.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– H\u1ed7 tr\u1ee3 l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a: Niacinamide c\u00f3 kh\u1ea3 n\u0103ng k\u00edch th\u00edch s\u1ea3n sinh collagen v\u00e0 elastin, gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a da, l\u00e0m gi\u1ea3m s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a n\u1ebfp nh\u0103n v\u00e0 t\u00ecnh tr\u1ea1ng da ch\u1ea3y x\u1ec7.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– Thu nh\u1ecf v\u00e0 l\u00e0m th\u00f4ng tho\u00e1ng l\u1ed7 ch\u00e2n l\u00f4ng: Niacinamide c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u h\u00f2a ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tuy\u1ebfn b\u00e3 nh\u1eddn, gi\u00fap gi\u1ea3m ti\u1ebft d\u1ea7u th\u1eeba. L\u1ed7 ch\u00e2n l\u00f4ng b\u1ecb b\u00edt t\u1eafc b\u1edfi d\u1ea7u th\u1eeba v\u00e0 b\u1ee5i b\u1ea9n th\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng gi\u00e3n n\u1edf. Khi l\u01b0\u1ee3ng d\u1ea7u \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, l\u1ed7 ch\u00e2n l\u00f4ng s\u1ebd tr\u00f4ng nh\u1ecf h\u01a1n v\u00e0 l\u00e0n da c\u0169ng tr\u1edf n\u00ean m\u1ecbn m\u00e0ng h\u01a1n.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– H\u1ed7 tr\u1ee3 \u0111i\u1ec1u tr\u1ecb m\u1ee5n tr\u1ee9ng c\u00e1: B\u1eb1ng c\u00e1ch \u0111i\u1ec1u h\u00f2a l\u01b0\u1ee3ng d\u1ea7u ti\u1ebft ra v\u00e0 gi\u1ea3m vi\u00eam, Niacinamide gi\u00fap ng\u0103n ng\u1eeba s\u1ef1 h\u00ecnh th\u00e0nh m\u1ee5n m\u1edbi v\u00e0 c\u1ea3i thi\u1ec7n t\u00ecnh tr\u1ea1ng m\u1ee5n vi\u00eam, m\u1ee5n s\u01b0ng \u0111\u1ecf.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– Gi\u1ea3m t\u00ecnh tr\u1ea1ng m\u1ea9n \u0111\u1ecf v\u00e0 vi\u00eam da: \u0110\u1eb7c t\u00ednh kh\u00e1ng vi\u00eam c\u1ee7a Niacinamide r\u1ea5t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c l\u00e0m d\u1ecbu c\u00e1c t\u00ecnh tr\u1ea1ng da b\u1ecb k\u00edch \u1ee9ng, m\u1ea9n \u0111\u1ecf, s\u01b0ng vi\u00eam, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ec7nh l\u00fd nh\u01b0 Rosacea (ch\u1ee9ng \u0111\u1ecf m\u1eb7t).<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Niacinamide v\u00e0 Vitamin C chung \u0111\u01b0\u1ee3c v\u1edbi nhau kh\u00f4ng?<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/h2>\n

\"C\u00f3<\/p>\n

Niacinamide v\u00e0 Vitamin C l\u00e0 hai th\u00e0nh ph\u1ea7n ch\u0103m s\u00f3c da c\u00f3 l\u1ee3i, v\u00e0 vi\u1ec7c k\u1ebft h\u1ee3p ch\u00fang trong quy tr\u00ecnh d\u01b0\u1ee1ng da l\u00e0 ho\u00e0n to\u00e0n kh\u1ea3 thi v\u00e0 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch.<\/span><\/em><\/p>\n

Niacinamide v\u00e0 Vitamin C \u0111\u00e3 t\u1eebng g\u00e2y ra tranh c\u00e3i<\/span><\/span><\/span><\/span><\/span><\/span><\/h3>\n

Trong qu\u00e1 kh\u1ee9, \u0111\u00e3 t\u1eebng c\u00f3 nh\u1eefng quan ng\u1ea1i v\u1ec1 vi\u1ec7c k\u1ebft h\u1ee3p Niacinamide v\u00e0 Vitamin C do s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1ed9 pH. M\u1ed9t nghi\u00ean c\u1ee9u t\u1eeb nh\u1eefng n\u0103m 1960 cho th\u1ea5y r\u1eb1ng Niacinamide (c\u00f3 \u0111\u1ed9 pH kho\u1ea3ng 5-7) khi k\u1ebft h\u1ee3p v\u1edbi Vitamin C d\u1ea1ng L-Ascorbic Acid (c\u00f3 \u0111\u1ed9 pH th\u1ea5p, kho\u1ea3ng 2.8-3.2) c\u00f3 th\u1ec3 chuy\u1ec3n h\u00f3a th\u00e0nh Niacin. Niacin c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y \u0111\u1ecf da, c\u1ea3m gi\u00e1c n\u00f3ng r\u00e1t v\u00e0 gi\u00e3n m\u1ea1ch t\u1ea1m th\u1eddi. Ngo\u00e0i ra, s\u1ef1 t\u01b0\u01a1ng t\u00e1c n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c cho l\u00e0 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 l\u00e0m s\u00e1ng v\u00e0 d\u01b0\u1ee1ng \u1ea9m c\u1ee7a c\u1ea3 hai th\u00e0nh ph\u1ea7n, th\u1eadm ch\u00ed gi\u1ea3i ph\u00f3ng hydro peroxide c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho t\u1ebf b\u00e0o da.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng nghi\u00ean c\u1ee9u n\u00e0y s\u1eed d\u1ee5ng Vitamin C \u1edf d\u1ea1ng nguy\u00ean ch\u1ea5t L-Ascorbic Acid v\u00e0 trong \u0111i\u1ec1u ki\u1ec7n th\u00ed nghi\u1ec7m kh\u1eafc nghi\u1ec7t. C\u00e1c d\u1ea1ng Vitamin C kh\u00e1c nh\u01b0 Magnesium Ascorbyl Phosphate (MAP), Sodium Ascorbyl Phosphate (SAP), hay Ascorbyl Glucoside th\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh h\u01a1n v\u00e0 \u00edt c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ph\u1ea3n \u1ee9ng khi k\u1ebft h\u1ee3p v\u1edbi Niacinamide. Ngay c\u1ea3 v\u1edbi L-Ascorbic Acid, ph\u1ea3n \u1ee9ng chuy\u1ec3n h\u00f3a th\u00e0nh Niacin ch\u1ec9 x\u1ea3y ra khi hai th\u00e0nh ph\u1ea7n ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp \u1edf nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao v\u00e0 trong th\u1eddi gian d\u00e0i, \u0111i\u1ec1u ki\u1ec7n hi\u1ebfm khi x\u1ea3y ra trong quy tr\u00ecnh ch\u0103m s\u00f3c da th\u00f4ng th\u01b0\u1eddng. H\u01a1n n\u1eefa, c\u00e1c s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng ch\u1ee9a nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c nhau, gi\u00fap \u1ed5n \u0111\u1ecbnh c\u00f4ng th\u1ee9c v\u00e0 gi\u1ea3m thi\u1ec3u kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c ti\u00eau c\u1ef1c gi\u1eefa c\u00e1c ho\u1ea1t ch\u1ea5t. Do \u0111\u00f3, nguy c\u01a1 g\u00e2y k\u00edch \u1ee9ng ho\u1eb7c gi\u1ea3m hi\u1ec7u qu\u1ea3 khi d\u00f9ng chung Niacinamide v\u00e0 Vitamin C theo c\u00e1ch th\u00f4ng th\u01b0\u1eddng l\u00e0 r\u1ea5t th\u1ea5p.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

C\u00e1ch k\u1ebft h\u1ee3p Niacinamide v\u00e0 Vitamin C<\/span><\/span><\/span><\/span><\/span><\/span><\/h2>\n

\"C\u00e1ch<\/p>\n

C\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 k\u1ebft h\u1ee3p Niacinamide v\u00e0 Vitamin C v\u00e0o quy tr\u00ecnh ch\u0103m s\u00f3c da h\u00e0ng ng\u00e0y, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i s\u1ea3n ph\u1ea9m v\u00e0 s\u1edf th\u00edch c\u00e1 nh\u00e2n.<\/span><\/em><\/p>\n

\u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 c\u1ee7a Niacinamide v\u00e0 Vitamin C, b\u1ea1n n\u00ean tu\u00e2n theo nguy\u00ean t\u1eafc thoa s\u1ea3n ph\u1ea9m c\u00f3 k\u1ebft c\u1ea5u m\u1ecfng nh\u1eb9 tr\u01b0\u1edbc, s\u1ea3n ph\u1ea9m \u0111\u1eb7c h\u01a1n sau, v\u00e0 lu\u00f4n ho\u00e0n thi\u1ec7n v\u1edbi kem ch\u1ed1ng n\u1eafng v\u00e0o ban ng\u00e0y. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 g\u1ee3i \u00fd c\u1ee5 th\u1ec3:<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– S\u1eed d\u1ee5ng Vitamin C tr\u01b0\u1edbc, Niacinamide sau:<\/strong> Thoa serum Vitamin C l\u00ean da s\u1ea1ch, \u0111\u1ee3i kho\u1ea3ng 10-15 ph\u00fat \u0111\u1ec3 s\u1ea3n ph\u1ea9m th\u1ea9m th\u1ea5u ho\u00e0n to\u00e0n, sau \u0111\u00f3 thoa serum ho\u1eb7c kem ch\u1ee9a Niacinamide.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– K\u1ebft h\u1ee3p serum Niacinamide v\u00e0 kem d\u01b0\u1ee1ng Vitamin C:<\/strong> N\u1ebfu b\u1ea1n d\u00f9ng serum ch\u1ee9a Niacinamide, h\u00e3y thoa serum n\u00e0y tr\u01b0\u1edbc. Sau \u0111\u00f3, thoa l\u1edbp kem d\u01b0\u1ee1ng c\u00f3 ch\u1ee9a Vitamin C l\u00ean tr\u00ean.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– Ph\u00e2n chia theo bu\u1ed5i:<\/strong> M\u1ed9t l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn l\u00e0 s\u1eed d\u1ee5ng Vitamin C v\u00e0o bu\u1ed5i s\u00e1ng \u0111\u1ec3 t\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a v\u00e0 b\u1ea3o v\u1ec7 da kh\u1ecfi t\u00e1c h\u1ea1i c\u1ee7a \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi. Niacinamide c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0o bu\u1ed5i t\u1ed1i \u0111\u1ec3 t\u1eadp trung v\u00e0o vi\u1ec7c ph\u1ee5c h\u1ed3i v\u00e0 c\u1ee7ng c\u1ed1 h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7 da.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

Xem th\u00eam: V\u0129nh Long: 6 Salon T\u00f3c N\u1eef \u0110\u1ec9nh Cao N\u00e2ng T\u1ea7m Nhan S\u1eafc V\u00e0 Phong C\u00e1ch<\/a><\/p>\n

– \u01afu ti\u00ean serum Vitamin C v\u00e0 kem d\u01b0\u1ee1ng Niacinamide:<\/strong> \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 gi\u1ea3m thi\u1ec3u nguy c\u01a1 k\u00edch \u1ee9ng, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn serum ch\u1ee9a Vitamin C v\u00e0 kem d\u01b0\u1ee1ng \u1ea9m c\u00f3 ch\u1ee9a Niacinamide. C\u00e1ch n\u00e0y gi\u00fap ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9 v\u00e0 s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa hai ho\u1ea1t ch\u1ea5t.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

L\u01b0u \u00fd khi s\u1eed d\u1ee5ng Niacinamide v\u00e0 Vitamin C<\/span><\/span><\/span><\/span><\/span><\/span><\/h2>\n

\"L\u01b0u<\/p>\n

Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da m\u1edbi, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c ho\u1ea1t ch\u1ea5t m\u1ea1nh nh\u01b0 Vitamin C v\u00e0 Niacinamide, c\u1ea7n s\u1ef1 ki\u00ean nh\u1eabn v\u00e0 quan s\u00e1t \u0111\u1ec3 da c\u00f3 th\u1eddi gian th\u00edch nghi.<\/span><\/em><\/p>\n

– Cho da th\u1eddi gian \u0111\u1ec3 th\u00edch nghi:<\/strong> Khi b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng m\u1ed9t s\u1ea3n ph\u1ea9m m\u1edbi ch\u1ee9a Vitamin C ho\u1eb7c Niacinamide, h\u00e3y t\u1eadp cho da quen d\u1ea7n. B\u1eaft \u0111\u1ea7u v\u1edbi t\u1ea7n su\u1ea5t s\u1eed d\u1ee5ng th\u1ea5p (v\u00ed d\u1ee5: 2-3 l\u1ea7n\/tu\u1ea7n) v\u00e0 t\u0103ng d\u1ea7n khi da \u0111\u00e3 quen. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u nguy c\u01a1 k\u00edch \u1ee9ng v\u00e0 cho ph\u00e9p da h\u1ea5p th\u1ee5 d\u01b0\u1ee1ng ch\u1ea5t m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– B\u1eaft \u0111\u1ea7u v\u1edbi t\u1ea7n su\u1ea5t c\u00e1ch ng\u00e0y ho\u1eb7c m\u1ed7i ng\u00e0y:<\/strong> Ngay c\u1ea3 khi da b\u1ea1n kh\u1ecfe m\u1ea1nh v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng dung n\u1ea1p t\u1ed1t, vi\u1ec7c gi\u1edbi thi\u1ec7u c\u00e1c s\u1ea3n ph\u1ea9m m\u1edbi m\u1ed9t c\u00e1ch t\u1eeb t\u1eeb v\u1eabn l\u00e0 ph\u01b0\u01a1ng ph\u00e1p an to\u00e0n. N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng nhi\u1ec1u s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da kh\u00e1c nhau, vi\u1ec7c n\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh g\u00e2y qu\u00e1 t\u1ea3i cho da.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– Th\u1ef1c hi\u1ec7n ki\u1ec3m tra k\u00edch \u1ee9ng tr\u01b0\u1edbc khi d\u00f9ng tr\u00ean di\u1ec7n r\u1ed9ng:<\/strong> Tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng s\u1ea3n ph\u1ea9m l\u00ean to\u00e0n b\u1ed9 khu\u00f4n m\u1eb7t, h\u00e3y th\u1eed nghi\u1ec7m tr\u00ean m\u1ed9t v\u00f9ng da nh\u1ecf, k\u00edn \u0111\u00e1o nh\u01b0 sau tai ho\u1eb7c d\u1ecdc theo \u0111\u01b0\u1eddng quai h\u00e0m. Quan s\u00e1t ph\u1ea3n \u1ee9ng c\u1ee7a da trong v\u00f2ng 24 gi\u1edd. N\u1ebfu kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u \u0111\u1ecf, ng\u1ee9a hay kh\u00f3 ch\u1ecbu, b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 tin s\u1eed d\u1ee5ng cho v\u00f9ng da m\u1eb7t.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– \u0110\u1ecdc k\u1ef9 nh\u00e3n s\u1ea3n ph\u1ea9m v\u00e0 th\u00e0nh ph\u1ea7n:<\/strong> H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn n\u1ed3ng \u0111\u1ed9 c\u1ee7a Vitamin C v\u00e0 Niacinamide trong s\u1ea3n ph\u1ea9m. Vitamin C, \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u1ea1ng L-Ascorbic Acid, c\u00f3 th\u1ec3 nh\u1ea1y c\u1ea3m v\u1edbi \u00e1nh s\u00e1ng v\u00e0 kh\u00f4ng kh\u00ed, d\u1ec5 b\u1ecb oxy h\u00f3a. Do \u0111\u00f3, vi\u1ec7c b\u1ea3o qu\u1ea3n s\u1ea3n ph\u1ea9m \u1edf n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t, tr\u00e1nh \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec hi\u1ec7u qu\u1ea3 c\u1ee7a ho\u1ea1t ch\u1ea5t. Bao b\u00ec t\u1ed1i m\u00e0u ho\u1eb7c m\u1edd \u0111\u1ee5c c\u0169ng gi\u00fap b\u1ea3o v\u1ec7 Vitamin C kh\u1ecfi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u00e1nh s\u00e1ng.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

T\u00e1c d\u1ee5ng ph\u1ee5 ti\u1ec1m \u1ea9n khi k\u1ebft h\u1ee3p Niacinamide v\u00e0 Vitamin C<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/h3>\n

\"T\u00e1c<\/p>\n

Lu\u00f4n theo d\u00f5i ph\u1ea3n \u1ee9ng c\u1ee7a l\u00e0n da khi s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m m\u1edbi, v\u00ec m\u1ed7i lo\u1ea1i da s\u1ebd c\u00f3 nh\u1eefng ph\u1ea3n \u1ee9ng kh\u00e1c nhau \u0111\u1ed1i v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n ho\u1ea1t t\u00ednh.<\/span><\/em><\/p>\n

M\u1eb7c d\u00f9 Vitamin C v\u00e0 Niacinamide \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 an to\u00e0n v\u00e0 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch, nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng dung n\u1ea1p t\u1ed1t v\u1edbi c\u1ea3 hai th\u00e0nh ph\u1ea7n n\u00e0y, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi k\u1ebft h\u1ee3p. C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 lo\u1ea1i da, t\u00ecnh tr\u1ea1ng da hi\u1ec7n c\u00f3, v\u00e0 th\u1eadm ch\u00ed c\u1ea3 y\u1ebfu t\u1ed1 di truy\u1ec1n \u0111\u1ec1u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a da v\u1edbi s\u1ea3n ph\u1ea9m. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c ki\u1ec3m tra k\u00edch \u1ee9ng v\u00e0 theo d\u00f5i ph\u1ea3n \u1ee9ng c\u1ee7a da l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

C\u00e1c t\u00e1c d\u1ee5ng ph\u1ee5 c\u00f3 th\u1ec3 kh\u00f4ng xu\u1ea5t hi\u1ec7n ngay l\u1eadp t\u1ee9c m\u00e0 c\u00f3 th\u1ec3 bi\u1ec3u hi\u1ec7n sau v\u00e0i ng\u00e0y ho\u1eb7c v\u00e0i tu\u1ea7n s\u1eed d\u1ee5ng, d\u01b0\u1edbi d\u1ea1ng m\u1ee5n m\u1edbi n\u1ed5i ho\u1eb7c c\u00e1c d\u1ea5u hi\u1ec7u k\u00edch \u1ee9ng kh\u00e1c.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

K\u00edch \u1ee9ng da l\u00e0 t\u00e1c d\u1ee5ng ph\u1ee5 ph\u1ed5 bi\u1ebfn nh\u1ea5t khi s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ee9a Vitamin C v\u00e0 Niacinamide. C\u00e1c d\u1ea5u hi\u1ec7u bao g\u1ed3m: \u0111\u1ecf da, c\u1ea3m gi\u00e1c n\u00f3ng r\u00e1t, ng\u1ee9a, ch\u00e2m ch\u00edch, ho\u1eb7c bong tr\u00f3c. N\u1ebfu b\u1ea1n g\u1eb7p b\u1ea5t k\u1ef3 d\u1ea5u hi\u1ec7u k\u00edch \u1ee9ng n\u00e0o, h\u00e3y ng\u1eebng s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m v\u00e0 tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a chuy\u00ean gia da li\u1ec5u \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u00e0 c\u00f3 h\u01b0\u1edbng x\u1eed l\u00fd ph\u00f9 h\u1ee3p. Vi\u1ec7c th\u1eed l\u1ea1i s\u1ea3n ph\u1ea9m sau \u0111\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng v\u00e0 c\u00f3 th\u1ec3 c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh t\u1ea7n su\u1ea5t ho\u1eb7c n\u1ed3ng \u0111\u1ed9 s\u1eed d\u1ee5ng.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

<\/p>\n

Khi hai \u201cchi\u1ebfn binh\u201d Vitamin C v\u00e0 Niacinamide c\u00f9ng nhau h\u1ed9i ng\u1ed9, l\u00e0n da s\u1ebd \u0111\u00f3n nh\u1eadn nh\u1eefng…<\/p>","protected":false},"author":2,"featured_media":19146,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[23],"tags":[],"class_list":["post-19145","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"taxonomy_info":{"category":[{"value":23,"label":"Tin t\u1ee9c"}]},"featured_image_src_large":["https:\/\/onsenaspa.s3.ap-southeast-1.amazonaws.com\/wp-content\/uploads\/2026\/01\/1688113957871-da-se-the-nao-neu-niacinamide-dung-chung-voi-vitamin-c-1.jpeg",800,533,false],"author_info":{"display_name":"baongoc","author_link":"https:\/\/onsenaspa.com.vn\/en\/author\/baongoc\/"},"comment_info":0,"category_info":[{"term_id":23,"name":"Tin t\u1ee9c","slug":"tin-tuc","term_group":0,"term_taxonomy_id":23,"taxonomy":"category","description":"","parent":0,"count":1423,"filter":"raw","cat_ID":23,"category_count":1423,"category_description":"","cat_name":"Tin t\u1ee9c","category_nicename":"tin-tuc","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/onsenaspa.com.vn\/en\/wp-json\/wp\/v2\/posts\/19145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onsenaspa.com.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onsenaspa.com.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onsenaspa.com.vn\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/onsenaspa.com.vn\/en\/wp-json\/wp\/v2\/comments?post=19145"}],"version-history":[{"count":4,"href":"https:\/\/onsenaspa.com.vn\/en\/wp-json\/wp\/v2\/posts\/19145\/revisions"}],"predecessor-version":[{"id":21665,"href":"https:\/\/onsenaspa.com.vn\/en\/wp-json\/wp\/v2\/posts\/19145\/revisions\/21665"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onsenaspa.com.vn\/en\/wp-json\/wp\/v2\/media\/19146"}],"wp:attachment":[{"href":"https:\/\/onsenaspa.com.vn\/en\/wp-json\/wp\/v2\/media?parent=19145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onsenaspa.com.vn\/en\/wp-json\/wp\/v2\/categories?post=19145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onsenaspa.com.vn\/en\/wp-json\/wp\/v2\/tags?post=19145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

N\u1ebfu b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 c\u00e1c b\u00ed quy\u1ebft ch\u0103m s\u00f3c da v\u00e0 nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch kh\u00e1c, \u0111\u1eebng b\u1ecf l\u1ee1 chuy\u00ean m\u1ee5c Tin t\u1ee9c<\/a> c\u1ee7a ch\u00fang t\u00f4i.<\/p>","protected":false},"excerpt":{"rendered":"

Niacinamide v\u00e0 Vitamin C l\u00e0 b\u1ed9 \u0111\u00f4i d\u01b0\u1ee1ng da ho\u00e0n h\u1ea3o<\/span><\/span><\/span><\/span><\/span><\/span><\/h3>\n

Th\u1ef1c t\u1ebf, Niacinamide v\u00e0 Vitamin C l\u00e0 m\u1ed9t s\u1ef1 k\u1ebft h\u1ee3p tuy\u1ec7t v\u1eddi, b\u1ed5 tr\u1ee3 l\u1eabn nhau \u0111\u1ec3 mang l\u1ea1i l\u00e0n da kh\u1ecfe m\u1ea1nh v\u00e0 r\u1ea1ng r\u1ee1. Nhi\u1ec1u s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c da tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay \u0111\u00e3 t\u00edch h\u1ee3p c\u1ea3 hai th\u00e0nh ph\u1ea7n n\u00e0y trong c\u00f9ng m\u1ed9t c\u00f4ng th\u1ee9c, ch\u1ee9ng minh t\u00ednh hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n c\u1ee7a s\u1ef1 k\u1ebft h\u1ee3p n\u00e0y. C\u00e1c c\u00f4ng th\u1ee9c n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3, \u0111\u1ed3ng th\u1eddi gi\u1ea3m thi\u1ec3u nguy c\u01a1 k\u00edch \u1ee9ng. N\u1ebfu b\u1ea1n c\u00f3 l\u00e0n da nh\u1ea1y c\u1ea3m, h\u00e3y \u01b0u ti\u00ean c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ee9a Niacinamide v\u1edbi n\u1ed3ng \u0111\u1ed9 th\u1ea5p, l\u00fd t\u01b0\u1edfng l\u00e0 d\u01b0\u1edbi 2%, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 dung n\u1ea1p t\u1ed1t nh\u1ea5t.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

L\u1ee3i \u00edch khi Niacinamide v\u00e0 Vitamin C k\u1ebft h\u1ee3p c\u00f9ng nhau:<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– L\u00e0m s\u00e1ng v\u00e0 \u0111\u1ec1u m\u00e0u da:<\/strong> C\u1ea3 hai th\u00e0nh ph\u1ea7n \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng c\u1ea3i thi\u1ec7n t\u00ecnh tr\u1ea1ng da x\u1ec9n m\u00e0u, thi\u1ebfu s\u1ee9c s\u1ed1ng v\u00e0 l\u00e0m m\u1edd c\u00e1c \u0111\u1ed1m n\u00e2u, th\u00e2m n\u00e1m, mang l\u1ea1i l\u00e0n da t\u01b0\u01a1i s\u00e1ng, r\u1ea1ng r\u1ee1.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– Gi\u1ea3m th\u00e2m m\u1ee5n v\u00e0 s\u1ea1m n\u00e1m:<\/strong> S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y gi\u00fap \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh m\u1edd v\u1ebft th\u00e2m sau m\u1ee5n, n\u00e1m da, t\u00e0n nhang v\u00e0 c\u1ea3 qu\u1ea7ng th\u00e2m d\u01b0\u1edbi m\u1eaft, tr\u1ea3 l\u1ea1i l\u00e0n da \u0111\u1ec1u m\u00e0u.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

T\u00ecm hi\u1ec3u: Bi\u1ebfn h\u00f3a da tay kh\u00f4 r\u00e1p th\u00e0nh m\u1ec1m m\u1ecbn nh\u01b0 l\u1ee5a ch\u1ec9 sau v\u00e0i ph\u00fat v\u1edbi 11 "b\u00e0i thu\u1ed1c" thi\u00ean nhi\u00ean c\u1ef1c hi\u1ec7u qu\u1ea3<\/a><\/p>\n

– Thu nh\u1ecf l\u1ed7 ch\u00e2n l\u00f4ng:<\/strong> Niacinamide gi\u00fap ki\u1ec3m so\u00e1t d\u1ea7u th\u1eeba v\u00e0 c\u1ea3i thi\u1ec7n k\u1ebft c\u1ea5u da, t\u1eeb \u0111\u00f3 l\u00e0m l\u1ed7 ch\u00e2n l\u00f4ng tr\u00f4ng nh\u1ecf h\u01a1n.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– Ki\u1ec3m so\u00e1t d\u1ea7u nh\u1eddn:<\/strong> Niacinamide c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u h\u00f2a tuy\u1ebfn b\u00e3 nh\u1eddn, gi\u00fap gi\u1ea3m b\u00f3ng d\u1ea7u v\u00e0 gi\u1eef cho l\u00e0n da th\u00f4ng tho\u00e1ng, ng\u0103n ng\u1eeba m\u1ee5n.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– C\u1ea3i thi\u1ec7n k\u1ebft c\u1ea5u v\u00e0 t\u00e1i t\u1ea1o da:<\/strong> Vitamin C v\u00e0 Niacinamide c\u00f9ng th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh t\u00e1i t\u1ea1o t\u1ebf b\u00e0o, gi\u00fap da m\u1ecbn m\u00e0ng v\u00e0 kh\u1ecfe m\u1ea1nh h\u01a1n.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– Ch\u1ed1ng l\u00e3o h\u00f3a v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u0111\u00e0n h\u1ed3i:<\/strong> C\u1ea3 hai \u0111\u1ec1u k\u00edch th\u00edch s\u1ea3n sinh collagen, gi\u00fap gi\u1ea3m n\u1ebfp nh\u0103n, l\u00e0m s\u0103n ch\u1eafc da v\u00e0 duy tr\u00ec v\u1ebb ngo\u00e0i tr\u1ebb trung.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

– T\u0103ng c\u01b0\u1eddng h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7 da:<\/strong> Niacinamide c\u1ee7ng c\u1ed1 l\u1edbp m\u00e0ng lipid t\u1ef1 nhi\u00ean c\u1ee7a da, trong khi Vitamin C cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a, gi\u00fap da ch\u1ed1ng l\u1ea1i c\u00e1c t\u00e1c nh\u00e2n g\u00e2y h\u1ea1i t\u1eeb m\u00f4i tr\u01b0\u1eddng.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

Kh\u00e1m ph\u00e1: Son BJ Rouge Edition Velvet: Tuy\u1ec7t ph\u1ea9m cho \u0111\u00f4i m\u00f4i quy\u1ebfn r\u0169 m\u1ecdi c\u00f4 n\u00e0ng<\/a><\/p>\n