{"id":59792,"date":"2022-05-07T16:23:14","date_gmt":"2022-05-07T09:23:14","guid":{"rendered":"https:\/\/shopee.vn\/blog\/?p=59792"},"modified":"2022-06-07T17:45:47","modified_gmt":"2022-06-07T10:45:47","slug":"chi-so-chong-nang","status":"publish","type":"post","link":"https:\/\/shopee.vn\/blog\/chi-so-chong-nang\/","title":{"rendered":"Ch\u1ec9 s\u1ed1 ch\u1ed1ng n\u1eafng v\u00e0 nh\u1eefng \u0111i\u1ec1u b\u1ea1n n\u00ean bi\u1ebft"},"content":{"rendered":"

Ch\u1ec9 s\u1ed1 ch\u1ed1ng n\u1eafng<\/b><\/a> l\u00e0 \u0111i\u1ec1u ng\u01b0\u1eddi ti\u00eau d\u00f9ng quan t\u00e2m h\u00e0ng \u0111\u1ea7u khi mua c\u00e1c s\u1ea3n ph\u1ea9m kem ch\u1ed1ng n\u1eafng. S\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m kem ch\u1ed1ng n\u1eafng c\u00f3 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ch\u1ec9 s\u1ed1 s\u1ebd gi\u00fap b\u1ea1n ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe c\u1ee7a l\u00e0n da t\u1ed1t h\u01a1n. Trong b\u00e0i vi\u1ebft h\u00f4m nay, h\u00e3y c\u00f9ng Shopee t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n v\u1ec1 ch\u1ee7 \u0111\u1ec1 n\u00e0y nh\u00e9.<\/b><\/p>\n

T\u00ecm hi\u1ec3u c\u00e1c ch\u1ec9 s\u1ed1 PA ch\u1ed1ng n\u1eafng v\u00e0 SPF ch\u1ed1ng n\u1eafng<\/b><\/h2>\n

\u0110\u1ec3 nh\u1eadn bi\u1ebft kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c lo\u1ea1i tia UV \u0111\u1ed9c h\u1ea1i c\u1ee7a kem ch\u1ed1ng n\u1eafng, \u0111i\u1ec1u b\u1ea1n c\u1ea7n quan t\u00e2m l\u00e0 ch\u1ec9 s\u1ed1 SPF v\u00e0 ch\u1ec9 s\u1ed1 PA. C\u00f9ng Shopee kh\u00e1m ph\u00e1 ngay d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/span><\/p>\n

\u00dd ngh\u0129a c\u1ee7a ch\u1ec9 s\u1ed1 SPF<\/i><\/b><\/h3>\n

Ch\u1ec9 s\u1ed1 SPF, t\u00ean g\u1ecdi \u0111\u1ea7y \u0111\u1ee7 l\u00e0 Sun Protection Factor, l\u00e0 \u0111\u1ecbnh m\u1ee9c \u0111\u1ec3 \u0111o l\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i tia UVB \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong kem ch\u1ed1ng n\u1eafng, n\u1eb1m trong kho\u1ea3ng t\u1eeb 15 \u0111\u1ebfn 100. Theo \u0111\u1ecbnh m\u1ee9c, ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf, 1 SPF c\u00f3 c\u00f4ng d\u1ee5ng b\u1ea3o v\u1ec7 v\u00e0 ng\u0103n ch\u1eb7n nh\u1eefng t\u00e1c h\u1ea1i c\u1ee7a tia UV tr\u00ean l\u00e0n da trong th\u1eddi gian kho\u1ea3ng 10 ph\u00fat.<\/span><\/p>\n

V\u00ed d\u1ee5 s\u1ea3n ph\u1ea9m kem ch\u1ed1ng n\u1eafng c\u1ee7a b\u1ea1n c\u00f3 ch\u1ec9 s\u1ed1 SPF l\u00e0 15 th\u00ec s\u1ebd c\u00f3 t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 <\/span>s\u1ee9c kh\u1ecfe<\/span><\/a> l\u00e0n da trong th\u1eddi gian kho\u1ea3ng 500 ph\u00fat.<\/span><\/p>\n

B\u00ean c\u1ea1nh \u0111\u00f3, <\/span>\u00fd ngh\u0129a c\u1ee7a ch\u1ec9 s\u1ed1 ch\u1ed1ng n\u1eafng<\/b> SPF c\u00f2n l\u00e0 t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m kh\u1ea3 n\u0103ng ng\u0103n ch\u1eb7n t\u00e1c \u0111\u1ed9ng x\u1ea5u t\u1eeb tia UV. Khi \u1edf trong m\u00f4i tr\u01b0\u1eddng th\u1eddi ti\u1ebft ho\u00e0n h\u1ea3o, kem ch\u1ed1ng n\u1eafng v\u1edbi ch\u1ec9 s\u1ed1 SPF 15 s\u1ebd c\u00f3 t\u00e1c d\u1ee5ng ch\u1eb7n \u0111\u01b0\u1ee3c kho\u1ea3ng 94.4% t\u00e1c \u0111\u1ed9ng t\u1eeb tia UV. Nh\u01b0 v\u1eady v\u1edbi ch\u1ec9 s\u1ed1 SPF 30 s\u1ebd l\u00e0 96.7% v\u00e0 SPF 50 l\u00e0 98%. Tuy nhi\u00ean, nh\u1eefng con s\u1ed1 tr\u00ean ch\u1ec9 mang t\u00ednh ch\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i trong th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh.<\/span><\/p>\n

\"Ch\u1ec9
Ch\u1ec9 s\u1ed1 ch\u1ed1ng n\u1eafng SPF – \u00dd ngh\u0129a c\u1ee7a ch\u1ec9 s\u1ed1 SPF (Ngu\u1ed3n: dienmayxanh.com)<\/figcaption><\/figure>\n

\u00dd ngh\u0129a ch\u1ec9 s\u1ed1 PA<\/i><\/b><\/h3>\n

Ch\u1ec9 s\u1ed1 PA c\u00f3 t\u00ean g\u1ecdi \u0111\u1ea7y \u0111\u1ee7 l\u00e0 Protection Grade of UVA, \u0111\u00e2y l\u00e0 ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng kh\u1ea3 n\u0103ng l\u1ecdc tia UVA c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m kem ch\u1ed1ng n\u1eafng ho\u1eb7c c\u00f3 th\u00e0nh ph\u1ea7n ch\u1ed1ng n\u1eafng do Hi\u1ec7p h\u1ed9i M\u1ef9 ph\u1ea9m Nh\u1eadt B\u1ea3n c\u00f4ng b\u1ed1. Khi b\u1ea1n nh\u00ecn tr\u00ean bao b\u00ec c\u1ee7a kem ch\u1ed1ng n\u1eafng, ch\u1ec9 s\u1ed1 PA s\u1ebd \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n k\u00e8m theo d\u1ea5u \u201c +\u201d, c\u1ee5 th\u1ec3 nh\u01b0 sau:<\/span><\/p>\n