![\"\"](\"https:\/\/photos.cuahangkhoedep.com\/file\/chldcdn\/n\/nhung-nguyen-nhan-lam-da-ban-lao-hoa-bat-ngo_1.jpg\")
\t2.<\/p>\tAi c\u0169ng ngh\u0129 r\u1eb1ng l\u00e3o h\u00f3a ch\u00ednh l\u00e0 nh\u1eefng \u0111i\u1ec1u t\u1ef1 nhi\u00ean m\u00e0 tu\u1ed5i t\u00e1c g\u00e2y ra, nh\u01b0ng vi\u1ec7c c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi l\u00e3o h\u00f3a s\u1edbm v\u00e0 mu\u1ed1n l\u1ea1i ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau v\u00e0 kh\u00f4ng ph\u1ea3i ai c\u0169ng bi\u1ebft.<\/p>
Trong b\u00e0i vi\u1ebft n\u00e0y ch\u00fang t\u00f4i s\u1ebd ch\u1ec9 ra nh\u1eefng nguy\u00ean nh\u00e2n l\u00e0m da b\u1ea1n gi\u00e0 \u0111i\u00a0b\u1ea5t ng\u1edd \u0111\u1ec3 c\u00f3 th\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c\u00a0c\u00e1ch ch\u1ed1ng\u00a0l\u00e3o h\u00f3a hi\u1ec7u qu\u1ea3.<\/p>
\t1.<\/p>
C\u01a1 th\u1ec3 m\u1ea5t c\u00e2n b\u1eb1ng hormone \tM\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n \u0111\u1ea7u ti\u00ean khi\u1ebfn l\u00e0n da m\u1ea5t \u0111i \u0111\u1ed9 \u0111\u00e0n h\u1ed3i m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 ngh\u0129 \u0111\u1ebfn ch\u00ednh l\u00e0 l\u00fac c\u01a1 th\u1ec3 thi\u1ebfu h\u1ee5t estrogen tr\u1ea7m tr\u1ecdng.<\/p>
Nh\u1eefng k\u00edch th\u00edch t\u1ed1 n\u1eef s\u1ebd k\u00edch th\u00edch c\u00e1c nguy\u00ean b\u00e0o s\u1ee3i da, t\u1eeb \u0111\u00f3 t\u1ea1o ra elastin v\u00e0 collagen.<\/p>
H\u1eadu qu\u1ea3 l\u00e0 nh\u1eefng ng\u01b0\u1eddi c\u00f3 n\u1ed3ng \u0111\u1ed9 estrogen th\u1ea5p h\u01a1n th\u01b0\u1eddng c\u00f3 l\u00e0n da ch\u1ea3y x\u1ec7 v\u00e0 nh\u0103n nheo s\u1edbm.<\/p>
\t \t2.<\/p>
\u0102n nhi\u1ec1u \u0111\u1ed3 ng\u1ecdt \tR\u1ea5t nhi\u1ec1u nghi\u00ean c\u1ee9u \u0111\u00e3 t\u1eebng ch\u1ec9 ra t\u00e1c h\u1ea1i c\u1ee7a \u0111\u01b0\u1eddng g\u00e2y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp t\u1edbi l\u00e0n da nh\u01b0 th\u1ebf n\u00e0o.<\/p>
Theo \u0111\u00f3, khi b\u1ea1n ti\u00eau th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng \u0111\u01b0\u1eddng l\u1edbn trong ng\u00e0y, c\u00e1c ph\u00e2n t\u1eed \u0111\u01b0\u1eddng kh\u00f4ng ti\u00eau h\u00f3a c\u00f3 th\u1ec3 \u1ee9c ch\u1ebf s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a collagen v\u00e0 elastin trong da.<\/p>
V\u00ec v\u1eady, vi\u1ec7p n\u1ea1p \u0111\u01b0\u1eddng v\u00e0o c\u01a1 th\u1ec3 s\u1ebd ch\u1ec9 khi\u1ebfn l\u00e0n da c\u1ee7a ch\u00fang ta c\u00e0ng tr\u1edf n\u00ean s\u1eadm m\u00e0u v\u00e0 c\u00f3 nhi\u1ec1u n\u1ebfp nh\u0103n h\u01a1n.<\/p>
\t3.<\/p>
Gi\u1ea3m c\u00e2n qu\u00e1 nhi\u1ec1u v\u00e0 qu\u00e1 nhanh \tVi\u1ec7c gi\u1ea3m c\u00e2n \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp t\u1edbi di\u1ec7n m\u1ea1o b\u00ean ngo\u00e0i c\u1ee7a b\u1ea1n, c\u1ee5 th\u1ec3 l\u00e0 l\u00e0n da.<\/p>
Khi b\u1ea1n \u00e9p c\u00e2n xu\u1ed1ng qu\u00e1 nhanh, c\u01a1 th\u1ec3 s\u1ebd ch\u01b0a k\u1ecbp l\u00e0m quen v\u1edbi ch\u1ebf \u0111\u1ed9 \u0103n m\u1edbi, d\u1eabn \u0111\u1ebfn tr\u01b0\u1eddng h\u1ee3p da ch\u1ea3y x\u1ec7, thi\u1ebfu h\u1ed3i.<\/p>
Do \u0111\u00f3, c\u00e1c chuy\u00ean gia th\u01b0\u1eddng khuy\u00ean ch\u00fang ta n\u00ean ch\u00fa \u00fd t\u1edbi l\u00e0n da trong khi gi\u1ea3m c\u00e2n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nh\u1eefng lo\u1ea1i kem d\u01b0\u1ee1ng s\u0103n ch\u1eafc v\u00e0 m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp tr\u00ean khu\u00f4n m\u1eb7t \u0111\u1ec3 c\u00f3 th\u1ec3\u00a0ch\u1ed1ng l\u00e3o h\u00f3a an to\u00e0n.<\/p>
\t![\"\"](\"https:\/\/photos.cuahangkhoedep.com\/file\/chldcdn\/n\/nhung-nguyen-nhan-lam-da-ban-lao-hoa-bat-ngo_2.jpg\")
\t4.<\/p>
D\u00f9ng \u0111i\u1ec7n tho\u1ea1i th\u01b0\u1eddng xuy\u00ean \tTheo b\u00e1c s\u0129 ph\u1eabu thu\u1eadt th\u1ea9m m\u1ef9 Anh - Mervyn Patterson, vi\u1ec7c s\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng kh\u00f4ng nh\u1ecf t\u1edbi l\u00e0n da c\u1ee7a b\u1ea1n.<\/p>
L\u00fac n\u00e0y, m\u1eb7t c\u1ee7a b\u1ea1n s\u1ebd \u0111\u1ed1i di\u1ec7n v\u1edbi m\u00e0n h\u00ecnh \u0111i\u1ec7n tho\u1ea1i li\u00ean t\u1ee5c, t\u1eeb \u0111\u00f3 khi\u1ebfn khu\u00f4n m\u1eb7t d\u1ec5 b\u1ecb t\u00e1i s\u1ea1m, ch\u1ea3y x\u1ec7 v\u00ec ph\u1ea3i c\u00fai xu\u1ed1ng li\u00ean t\u1ee5c.<\/p>
C\u00e1c n\u1ebfp nh\u0103n c\u0169ng theo \u0111\u00f3 m\u00e0 h\u00ecnh th\u00e0nh n\u00ean t\u1ed1t nh\u1ea5t th\u00ec b\u1ea1n h\u00e3y h\u1ea1n ch\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb n\u00e0y th\u01b0\u1eddng xuy\u00ean.<\/p>
\t5.<\/p>
\u0110\u1ec3 l\u00e0n da ti\u1ebfp x\u00fac v\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi th\u01b0\u1eddng xuy\u00ean \tTia c\u1ef1c t\u00edm t\u1eeb \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi c\u00f3 \u1ea3nh h\u01b0\u1edfng kh\u00f4ng nh\u1ecf t\u1edbi l\u00e0n da, do c\u00f3 ch\u1ee9a lu\u1ed3ng b\u1ee9c x\u1ea1 UVA.<\/p>
Khi b\u1ea1n \u0111\u1ec3 lu\u1ed3ng b\u1ee9c x\u1ea1 n\u00e0y chi\u1ebfu v\u00e0o m\u1eb7t th\u00ec n\u00f3 s\u1ebd d\u1ec5 x\u00e2m nh\u1eadp v\u00e0o c\u00e1c l\u1edbp s\u00e2u nh\u1ea5t c\u1ee7a da (h\u1ea1 b\u00ec).<\/p>
L\u1edbp h\u1ea1 b\u00ec n\u00e0y c\u00f3 70% collagen n\u00ean vi\u1ec7c \u0111\u1ec3 tia UVA chi\u1ebfu xu\u1ed1ng c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y l\u1edbp collagen n\u00e0y, t\u1eeb \u0111\u00f3 g\u00e2y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp t\u1edbi l\u00e0n da tr\u00ean m\u1eb7t b\u1ea1n.<\/p>
\t6.<\/p>
Ng\u1ee7 kh\u00f4ng \u0111\u1ee7 gi\u1ea5c \t![\"\"](\"https:\/\/photos.cuahangkhoedep.com\/file\/chldcdn\/n\/nhung-nguyen-nhan-lam-da-ban-lao-hoa-bat-ngo_3.jpg\")
\t\u00cdt ai ngh\u0129 r\u1eb1ng, \u0111\u00e2y c\u0169ng l\u00e0 m\u1ed9t nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y ra t\u00ecnh tr\u1ea1ng ch\u1ea3y x\u1ec7 tr\u00ean khu\u00f4n m\u1eb7t.<\/p>
Do l\u00e0n da c\u1ee7a ch\u00fang ta v\u00e0o ban \u0111\u00eam s\u1ebd l\u00e0 l\u00fac \u0111\u01b0\u1ee3c ngh\u1ec9 ng\u01a1i, ph\u1ee5c h\u1ed3i n\u00ean n\u1ebfu b\u1ea1n th\u1ee9c qu\u00e1 khuya hay ng\u1ee7 kh\u00f4ng \u0111\u1ee7 gi\u1ea5c th\u00ec l\u00e0n da s\u1ebd d\u1ea7n m\u1ea5t \u0111i \u0111\u1ed9 \u1ea9m v\u00e0 tr\u1edf n\u00ean ch\u1ea3y x\u1ec7, thi\u1ebfu s\u1ee9c s\u1ed1ng v\u00e0o s\u00e1ng h\u00f4m sau.<\/p>
\u0110\u00f3 c\u0169ng l\u00e0 l\u00fd do v\u00ec c\u00e1c chuy\u00ean gia th\u01b0\u1eddng khuy\u00ean ch\u00fang ta n\u00ean nh\u1edb b\u00f4i\u00a0kem d\u01b0\u1ee1ng \u1ea9m\u00a0v\u00e0o bu\u1ed5i t\u1ed1i tr\u01b0\u1edbc khi ng\u1ee7 \u0111\u1ec3 ng\u0103n ch\u1eb7n nguy c\u01a1 m\u1ea5t \u0111\u1ed9 \u1ea9m tr\u00ean da.<\/p>
.<\/p>