<\/span><\/h3>\n\n\n\nT\u00f3c b\u1ea1c ch\u1ee7 y\u1ebfu xu\u1ea5t hi\u1ec7n do qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a, khi c\u00e1c t\u1ebf b\u00e0o s\u1eafc t\u1ed1 melanocytes trong nang t\u00f3c ng\u1eebng s\u1ea3n xu\u1ea5t melanin (s\u1eafc t\u1ed1 m\u00e0u). \u0110i\u1ec1u n\u00e0y l\u00e0m cho t\u00f3c tr\u1edf n\u00ean s\u00e1ng m\u00e0u h\u01a1n ho\u1eb7c tr\u1eafng b\u1ea1c theo th\u1eddi gian. Qu\u00e1 tr\u00ecnh b\u1ea1c h\u00f3a t\u00f3c l\u00e0 m\u1ed9t ph\u1ea7n t\u1ef1 nhi\u00ean c\u1ee7a s\u1ef1 l\u00e3o h\u00f3a v\u00e0 kh\u00f4ng ph\u1ea3i l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a m\u1ed9t v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n
T\u00f3c m\u1ecdc t\u1eeb nang t\u00f3c, v\u00e0 m\u1ed7i nang t\u00f3c c\u00f3 m\u1ed9t chu k\u1ef3 s\u1ed1ng g\u1ed3m ba giai \u0111o\u1ea1n: t\u0103ng tr\u01b0\u1edfng (anagen)<\/strong>, ngh\u1ec9 (telogen)<\/strong> v\u00e0 r\u1ee5ng (catagen)<\/strong>. Khi b\u1ea1n nh\u1ed5 t\u00f3c b\u1ea1c, b\u1ea1n ch\u1ec9 can thi\u1ec7p v\u00e0o m\u1ed9t s\u1ee3i t\u00f3c trong chu k\u1ef3 t\u0103ng tr\u01b0\u1edfng, nh\u01b0ng vi\u1ec7c nh\u1ed5 t\u00f3c nhi\u1ec1u l\u1ea7n c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn nang t\u00f3c theo c\u00e1c c\u00e1ch nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n<\/span>Nh\u1ed5 t\u00f3c b\u1ea1c c\u00f3 g\u00e2y h\u00f3i kh\u00f4ng?<\/strong><\/span><\/h3>\n\n\n\nKhi b\u1ea1n nh\u1ed5 m\u1ed9t s\u1ee3i t\u00f3c b\u1ea1c, t\u00f3c s\u1ebd m\u1ecdc l\u1ea1i t\u1eeb c\u00f9ng m\u1ed9t nang t\u00f3c, tr\u1eeb khi nang t\u00f3c \u0111\u00f3 b\u1ecb h\u01b0 h\u1ea1i. T\u00ecnh tr\u1ea1ng h\u00f3i x\u1ea3y ra khi nang t\u00f3c kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng ph\u00e1t tri\u1ec3n t\u00f3c m\u1edbi, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng r\u1ee5ng t\u00f3c ng\u00e0y c\u00e0ng nhi\u1ec1u v\u00e0 kh\u00f4ng m\u1ecdc l\u1ea1i \u0111\u01b0\u1ee3c. Nh\u1ed5 t\u00f3c b\u1ea1c kh\u00f4ng g\u00e2y h\u00f3i ngay l\u1eadp t\u1ee9c, nh\u01b0ng n\u1ebfu l\u1eb7p l\u1ea1i h\u00e0nh \u0111\u1ed9ng n\u00e0y qu\u00e1 nhi\u1ec1u, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 v\u1ec1 nang t\u00f3c v\u00e0 t\u00f3c m\u1ecdc l\u1ea1i.<\/p>\n\n\n\n
<\/span>Nh\u1eefng r\u1ee7i ro khi nh\u1ed5 t\u00f3c b\u1ea1c<\/strong><\/span><\/h3>\n\n\n\n\n- T\u1ed5n th\u01b0\u01a1ng nang t\u00f3c<\/strong>: Khi b\u1ea1n nh\u1ed5 t\u00f3c, b\u1ea1n t\u1ea1o ra m\u1ed9t l\u1ef1c t\u00e1c \u0111\u1ed9ng m\u1ea1nh l\u00ean nang t\u00f3c, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u1ed5n th\u01b0\u01a1ng ho\u1eb7c vi\u00eam nang t\u00f3c. Nang t\u00f3c c\u00f3 th\u1ec3 b\u1ecb y\u1ebfu \u0111i n\u1ebfu b\u1ecb t\u00e1c \u0111\u1ed9ng m\u1ea1nh th\u01b0\u1eddng xuy\u00ean, v\u00e0 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng t\u00f3c m\u1ecdc l\u1ea1i kh\u00f4ng \u0111\u1ec1u ho\u1eb7c th\u1eadm ch\u00ed kh\u00f4ng m\u1ecdc l\u1ea1i \u0111\u01b0\u1ee3c. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n v\u00e0o t\u00ecnh tr\u1ea1ng t\u00f3c th\u01b0a d\u1ea7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi nang t\u00f3c \u0111\u00e3 b\u1ecb t\u1ed5n th\u01b0\u01a1ng nghi\u00eam tr\u1ecdng.<\/li>\n\n\n\n
- Vi\u00eam nang t\u00f3c<\/strong>: Nh\u1ed5 t\u00f3c b\u1ea1c c\u00f3 th\u1ec3 l\u00e0m t\u1ed5n th\u01b0\u01a1ng v\u00f9ng da \u0111\u1ea7u, d\u1ec5 t\u1ea1o c\u01a1 h\u1ed9i cho vi khu\u1ea9n x\u00e2m nh\u1eadp v\u00e0 g\u00e2y vi\u00eam nang t\u00f3c. Vi\u00eam nang t\u00f3c c\u00f3 th\u1ec3 khi\u1ebfn cho nang t\u00f3c y\u1ebfu \u0111i v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n t\u00f3c, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1eb9o. Nh\u1eefng s\u1eb9o n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng m\u1ecdc t\u00f3c trong khu v\u1ef1c \u0111\u00f3.<\/li>\n\n\n\n
- T\u00f3c m\u1ecdc l\u1ea1i y\u1ebfu h\u01a1n<\/strong>: Khi b\u1ea1n nh\u1ed5 t\u00f3c nhi\u1ec1u l\u1ea7n \u1edf c\u00f9ng m\u1ed9t v\u1ecb tr\u00ed, t\u00f3c m\u1edbi m\u1ecdc l\u1ea1i c\u00f3 th\u1ec3 y\u1ebfu h\u01a1n, m\u1ecfng h\u01a1n v\u00e0 d\u1ec5 g\u00e3y h\u01a1n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m s\u1ef1 d\u00e0y \u0111\u1eb7c c\u1ee7a t\u00f3c v\u00e0 khi\u1ebfn b\u1ea1n c\u1ea3m th\u1ea5y t\u00f3c th\u01b0a h\u01a1n, d\u00f9 ch\u01b0a \u0111\u1ebfn m\u1ee9c h\u00f3i h\u1eb3n.<\/li>\n\n\n\n
- D\u1ec5 d\u1eabn \u0111\u1ebfn th\u00f3i quen nh\u1ed5 t\u00f3c<\/strong>: M\u1ed9t khi b\u1ea1n \u0111\u00e3 h\u00ecnh th\u00e0nh th\u00f3i quen nh\u1ed5 t\u00f3c b\u1ea1c, vi\u1ec7c l\u1eb7p l\u1ea1i h\u00e0nh \u0111\u1ed9ng n\u00e0y c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t th\u00f3i quen kh\u00f3 b\u1ecf, \u0111i\u1ec1u n\u00e0y c\u00e0ng l\u00e0m t\u0103ng nguy c\u01a1 t\u1ed5n th\u01b0\u01a1ng nang t\u00f3c v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a t\u00f3c v\u1ec1 l\u00e2u d\u00e0i.<\/li>\n<\/ul>\n\n\n\n
<\/span>Nh\u1ed5 t\u00f3c b\u1ea1c v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 li\u00ean quan \u0111\u1ebfn h\u00f3i<\/strong><\/span><\/h3>\n\n\n\nH\u00f3i, hay c\u00f2n g\u1ecdi l\u00e0 r\u1ee5ng t\u00f3c theo ki\u1ec3u di truy\u1ec1n (alopecia androgenetic), l\u00e0 t\u00ecnh tr\u1ea1ng t\u00f3c r\u1ee5ng d\u1ea7n d\u1ea7n v\u00e0 kh\u00f4ng m\u1ecdc l\u1ea1i. \u0110\u00e2y l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 di truy\u1ec1n ch\u1ee7 y\u1ebfu v\u00e0 kh\u00f4ng li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn vi\u1ec7c nh\u1ed5 t\u00f3c b\u1ea1c. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n c\u00f3 nguy c\u01a1 h\u00f3i di truy\u1ec1n, vi\u1ec7c nh\u1ed5 t\u00f3c b\u1ea1c kh\u00f4ng l\u00e0m t\u00ecnh tr\u1ea1ng h\u00f3i tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n, nh\u01b0ng n\u1ebfu c\u00f3 t\u00e1c \u0111\u1ed9ng kh\u00e1c nh\u01b0 c\u0103ng th\u1eb3ng, vi\u00eam nhi\u1ec5m, ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m kh\u00f4ng ph\u00f9 h\u1ee3p, t\u00f3c c\u00f3 th\u1ec3 r\u1ee5ng nhi\u1ec1u h\u01a1n.<\/p>\n\n\n\n
<\/span>C\u00f3 n\u00ean nh\u1ed5 t\u00f3c b\u1ea1c hay kh\u00f4ng?<\/strong><\/span><\/h3>\n\n\n\nM\u1eb7c d\u00f9 vi\u1ec7c nh\u1ed5 t\u00f3c b\u1ea1c kh\u00f4ng g\u00e2y h\u00f3i tr\u1ef1c ti\u1ebfp, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng r\u1ee7i ro nh\u1ea5t \u0111\u1ecbnh cho t\u00f3c v\u00e0 da \u0111\u1ea7u n\u1ebfu l\u1ea1m d\u1ee5ng. N\u1ebfu b\u1ea1n c\u1ea3m th\u1ea5y lo l\u1eafng v\u1ec1 t\u00f3c b\u1ea1c, thay v\u00ec nh\u1ed5, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed c\u00e1c bi\u1ec7n ph\u00e1p kh\u00e1c \u0111\u1ec3 x\u1eed l\u00fd:<\/p>\n\n\n\n
\n- Nhu\u1ed9m t\u00f3c<\/strong>: Nhu\u1ed9m t\u00f3c l\u00e0 m\u1ed9t c\u00e1ch ph\u1ed5 bi\u1ebfn \u0111\u1ec3 che \u0111i t\u00f3c b\u1ea1c m\u00e0 kh\u00f4ng l\u00e0m t\u1ed5n th\u01b0\u01a1ng nang t\u00f3c. B\u1ea1n c\u00f3 th\u1ec3 nhu\u1ed9m t\u00f3c b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ef1 nhi\u00ean nh\u01b0 henna ho\u1eb7c c\u00e1c lo\u1ea1i thu\u1ed1c nhu\u1ed9m th\u01b0\u01a1ng m\u1ea1i.<\/li>\n\n\n\n
- S\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c t\u00f3c<\/strong>: C\u00e1c s\u1ea3n ph\u1ea9m d\u01b0\u1ee1ng t\u00f3c nh\u01b0 d\u1ea7u g\u1ed9i, d\u1ea7u x\u1ea3, serum ho\u1eb7c d\u1ea7u d\u01b0\u1ee1ng t\u00f3c c\u00f3 th\u1ec3 gi\u00fap t\u00f3c kh\u1ecfe m\u1ea1nh h\u01a1n, gi\u1ea3m t\u00ecnh tr\u1ea1ng t\u00f3c y\u1ebfu v\u00e0 d\u1ec5 g\u00e3y.<\/li>\n\n\n\n
- Ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng v\u00e0 l\u1ed1i s\u1ed1ng l\u00e0nh m\u1ea1nh<\/strong>: M\u1ed9t ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng c\u00e2n b\u1eb1ng v\u1edbi \u0111\u1ee7 vitamin v\u00e0 kho\u00e1ng ch\u1ea5t, k\u1ebft h\u1ee3p v\u1edbi vi\u1ec7c duy tr\u00ec m\u1ed9t l\u1ed1i s\u1ed1ng l\u00e0nh m\u1ea1nh, c\u00f3 th\u1ec3 gi\u00fap t\u00f3c ph\u00e1t tri\u1ec3n kh\u1ecfe m\u1ea1nh, gi\u1ea3m t\u00ecnh tr\u1ea1ng r\u1ee5ng t\u00f3c.<\/li>\n<\/ul>\n\n\n\n