{"id":89546,"date":"2024-05-29T03:00:14","date_gmt":"2024-05-29T10:00:14","guid":{"rendered":"https:\/\/lavyon.com\/?p=89546"},"modified":"2024-05-27T23:50:11","modified_gmt":"2024-05-28T06:50:11","slug":"vi-sao-tia-cuc-tim-la-ke-thu-so-1-cua-lan-da","status":"publish","type":"post","link":"https:\/\/lavyon.com\/vi\/vi-sao-tia-cuc-tim-la-ke-thu-so-1-cua-lan-da\/","title":{"rendered":"V\u00ec sao tia c\u1ef1c t\u00edm l\u00e0 k\u1ebb th\u00f9 s\u1ed1 1 c\u1ee7a l\u00e0n da?"},"content":{"rendered":"<p><em><strong>Tia UV l\u00e0 m\u1ed1i nguy h\u1ea1i ti\u1ec1m \u1ea9n cho l\u00e0n da, tuy nhi\u00ean, ch\u00fang ta ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 da kh\u1ecfi t\u00e1c h\u1ea1i c\u1ee7a tia UV b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3. <\/strong><\/em><\/p>\n<p style=\"text-align: justify;\">\u00c1nh n\u1eafng m\u1eb7t tr\u1eddi l\u00e0 ngu\u1ed3n cung c\u1ea5p vitamin D d\u1ed3i d\u00e0o cho c\u01a1 th\u1ec3, tuy nhi\u00ean, n\u00f3 c\u0169ng ti\u1ec1m \u1ea9n m\u1ed1i nguy h\u1ea1i kh\u00f4n l\u01b0\u1eddng cho l\u00e0n da n\u1ebfu ch\u00fang ta kh\u00f4ng c\u00f3 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 ph\u00f9 h\u1ee3p. Tia c\u1ef1c t\u00edm (UV) &#8211; th\u00e0nh ph\u1ea7n nguy hi\u1ec3m trong \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi &#8211; \u0111\u01b0\u1ee3c xem l\u00e0 &#8220;k\u1ebb th\u00f9 s\u1ed1 1&#8221; c\u1ee7a l\u00e0n da, l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh d\u1eabn \u0111\u1ebfn h\u00e0ng lo\u1ea1t v\u1ea5n \u0111\u1ec1 da li\u1ec5u v\u00e0 th\u1eadm ch\u00ed l\u00e0 ung th\u01b0 da.<\/p>\n<p style=\"text-align: justify;\" data-sourcepos=\"9:1-9:20\"><strong>1. Tia UV l\u00e0 g\u00ec?<\/strong><\/p>\n<p style=\"text-align: justify;\" data-sourcepos=\"11:1-11:143\">Tia UV l\u00e0 b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb c\u00f3 b\u01b0\u1edbc s\u00f3ng ng\u1eafn h\u01a1n \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y, n\u1eb1m trong kho\u1ea3ng 100 &#8211; 400 nm. Tia UV \u0111\u01b0\u1ee3c chia th\u00e0nh 3 lo\u1ea1i ch\u00ednh: UVA, UVB v\u00e0 UVC. Tuy nhi\u00ean, UVC h\u1ea7u nh\u01b0 b\u1ecb h\u1ea5p th\u1ee5 ho\u00e0n to\u00e0n b\u1edfi t\u1ea7ng ozone trong kh\u00ed quy\u1ec3n, ch\u1ec9 c\u00f3 UVA v\u00e0 UVB l\u00e0 t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn da.<\/p>\n<ul style=\"text-align: justify;\" data-sourcepos=\"13:1-15:0\">\n<li data-sourcepos=\"13:1-13:255\"><strong>UVA:<\/strong> Chi\u1ebfm kho\u1ea3ng 95% tia UV, c\u00f3 kh\u1ea3 n\u0103ng xuy\u00ean s\u00e2u v\u00e0o da, ph\u00e1 h\u1ee7y collagen v\u00e0 elastin &#8211; hai lo\u1ea1i protein quan tr\u1ecdng gi\u00fap duy tr\u00ec \u0111\u1ed9 \u0111\u00e0n h\u1ed3i v\u00e0 s\u0103n ch\u1eafc cho da. Tia UVA l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y l\u00e3o h\u00f3a da, n\u1ebfp nh\u0103n, n\u00e1m da, t\u00e0n nhang v\u00e0 ung th\u01b0 da.<\/li>\n<li data-sourcepos=\"14:1-15:0\"><strong>UVB:<\/strong> Chi\u1ebfm kho\u1ea3ng 5% tia UV, c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ch\u00e1y n\u1eafng, t\u1ed5n th\u01b0\u01a1ng ADN t\u1ebf b\u00e0o da v\u00e0 l\u00e0m t\u0103ng nguy c\u01a1 ung th\u01b0 da.<\/li>\n<\/ul>\n<figure id=\"attachment_89548\" aria-describedby=\"caption-attachment-89548\" style=\"width: 700px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-89548\" src=\"https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/Chuyen-gia-khuyen-nen-de-da-tiep-xuc-anh-sang-tu-nhien-sang-som-vay-anh-nang-luc-7h-co-lam-den-da-4.jpg\" alt=\"tia\" width=\"700\" height=\"466\" title=\"\" srcset=\"https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/Chuyen-gia-khuyen-nen-de-da-tiep-xuc-anh-sang-tu-nhien-sang-som-vay-anh-nang-luc-7h-co-lam-den-da-4.jpg 700w, https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/Chuyen-gia-khuyen-nen-de-da-tiep-xuc-anh-sang-tu-nhien-sang-som-vay-anh-nang-luc-7h-co-lam-den-da-4-150x100.jpg 150w, https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/Chuyen-gia-khuyen-nen-de-da-tiep-xuc-anh-sang-tu-nhien-sang-som-vay-anh-nang-luc-7h-co-lam-den-da-4-300x200.jpg 300w, https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/Chuyen-gia-khuyen-nen-de-da-tiep-xuc-anh-sang-tu-nhien-sang-som-vay-anh-nang-luc-7h-co-lam-den-da-4-696x463.jpg 696w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-89548\" class=\"wp-caption-text\">Ngu\u1ed3n: T\u1ed5ng h\u1ee3p<\/figcaption><\/figure>\n<p style=\"text-align: justify;\" data-sourcepos=\"16:1-16:37\"><strong>2. T\u00e1c h\u1ea1i c\u1ee7a tia UV \u0111\u1ed1i v\u1edbi da:<\/strong><\/p>\n<ul style=\"text-align: justify;\" data-sourcepos=\"18:1-19:46\">\n<li data-sourcepos=\"18:1-18:151\"><strong>L\u00e3o h\u00f3a da:<\/strong> Tia UV ph\u00e1 h\u1ee7y collagen v\u00e0 <a href=\"https:\/\/www.nhathuocankhang.com\/ban-tin-suc-khoe\/elastin-la-gi-tac-dung-cua-no-doi-voi-da-1420763\" target=\"_blank\" rel=\"noopener\">elastin<\/a>, khi\u1ebfn da m\u1ea5t \u0111i \u0111\u1ed9 \u0111\u00e0n h\u1ed3i v\u00e0 s\u0103n ch\u1eafc, xu\u1ea5t hi\u1ec7n n\u1ebfp nh\u0103n, ch\u1ea3y x\u1ec7, da s\u1ea7n s\u00f9i, l\u1ed7 ch\u00e2n l\u00f4ng to.<\/li>\n<li data-sourcepos=\"19:1-19:46\"><strong>N\u00e1m da, t\u00e0n nhang:<\/strong> Tia UV k\u00edch th\u00edch s\u1ea3n sinh melanin &#8211; s\u1eafc t\u1ed1 da, d\u1eabn \u0111\u1ebfn h\u00ecnh th\u00e0nh c\u00e1c \u0111\u1ed1m n\u00e2u, n\u00e1m, t\u00e0n nhang, khi\u1ebfn da kh\u00f4ng \u0111\u1ec1u m\u00e0u.<\/li>\n<\/ul>\n<figure id=\"attachment_89549\" aria-describedby=\"caption-attachment-89549\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-89549\" src=\"https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/minhkhuecosmetics.vn_20190518_151452_519746_chong-nang-bao-ve-d.max-1800x1800-1.jpg\" alt=\"tia\" width=\"640\" height=\"640\" title=\"\" srcset=\"https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/minhkhuecosmetics.vn_20190518_151452_519746_chong-nang-bao-ve-d.max-1800x1800-1.jpg 640w, https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/minhkhuecosmetics.vn_20190518_151452_519746_chong-nang-bao-ve-d.max-1800x1800-1-150x150.jpg 150w, https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/minhkhuecosmetics.vn_20190518_151452_519746_chong-nang-bao-ve-d.max-1800x1800-1-300x300.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><figcaption id=\"caption-attachment-89549\" class=\"wp-caption-text\">Ngu\u1ed3n: T\u1ed5ng h\u1ee3p<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\" data-sourcepos=\"18:1-19:46\">\n<li data-sourcepos=\"20:1-21:0\"><strong>Ung th\u01b0 da:<\/strong> \u0110\u00e2y l\u00e0 h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng nh\u1ea5t do tia UV g\u00e2y ra. Ti\u1ebfp x\u00fac qu\u00e1 nhi\u1ec1u v\u1edbi tia UV c\u00f3 th\u1ec3 l\u00e0m t\u1ed5n th\u01b0\u01a1ng ADN t\u1ebf b\u00e0o da, d\u1eabn \u0111\u1ebfn \u0111\u1ed9t bi\u1ebfn v\u00e0 h\u00ecnh th\u00e0nh c\u00e1c t\u1ebf b\u00e0o ung th\u01b0. Ung th\u01b0 da c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n th\u00e0nh nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau, bao g\u1ed3m ung th\u01b0 da gai, ung th\u01b0 bi\u1ec3u m\u00f4 t\u1ebf b\u00e0o \u0111\u00e1y v\u00e0 ung th\u01b0 t\u1ebf b\u00e0o h\u1eafc t\u1ed1.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-sourcepos=\"22:1-22:34\"><strong>3. C\u00e1ch b\u1ea3o v\u1ec7 da kh\u1ecfi tia UV:<\/strong><\/p>\n<ul style=\"text-align: justify;\" data-sourcepos=\"24:1-25:93\">\n<li data-sourcepos=\"24:1-24:148\"><strong>H\u1ea1n ch\u1ebf ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi:<\/strong> Tr\u00e1nh ra ngo\u00e0i tr\u1eddi n\u1eafng v\u00e0o th\u1eddi \u0111i\u1ec3m t\u1eeb 10 gi\u1edd s\u00e1ng \u0111\u1ebfn 4 gi\u1edd chi\u1ec1u, khi tia UV m\u1ea1nh nh\u1ea5t.<\/li>\n<li data-sourcepos=\"25:1-25:93\"><strong>S\u1eed d\u1ee5ng kem ch\u1ed1ng n\u1eafng:<\/strong> Ch\u1ecdn <a href=\"https:\/\/lavyon.com\/vi\/kem-chong-nang-dat-tien-nhung-da-xau-nguyen-nhan\/\">kem ch\u1ed1ng n\u1eafng<\/a> c\u00f3 ch\u1ec9 s\u1ed1 SPF t\u1eeb 30 tr\u1edf l\u00ean, ph\u1ed5 r\u1ed9ng ch\u1ed1ng \u0111\u01b0\u1ee3c c\u1ea3 tia UVA v\u00e0 UVB, thoa kem \u0111\u1ec1u \u0111\u1eb7n tr\u01b0\u1edbc khi ra ngo\u00e0i 20 ph\u00fat v\u00e0 thoa l\u1ea1i sau m\u1ed7i 2 ti\u1ebfng ho\u1eb7c sau khi \u0111\u1ed5 m\u1ed3 h\u00f4i, b\u01a1i l\u1ed9i.<\/li>\n<\/ul>\n<figure id=\"attachment_89547\" aria-describedby=\"caption-attachment-89547\" style=\"width: 642px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-89547\" src=\"https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/20210817_070012_870736_chay-nang1.max-800x800-1.png\" alt=\"tia\" width=\"642\" height=\"430\" title=\"\" srcset=\"https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/20210817_070012_870736_chay-nang1.max-800x800-1.png 642w, https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/20210817_070012_870736_chay-nang1.max-800x800-1-150x100.png 150w, https:\/\/lavyon.com\/wp-content\/uploads\/2024\/05\/20210817_070012_870736_chay-nang1.max-800x800-1-300x201.png 300w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" \/><figcaption id=\"caption-attachment-89547\" class=\"wp-caption-text\">Ngu\u1ed3n: T\u1ed5ng h\u1ee3p<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\" data-sourcepos=\"24:1-25:93\">\n<li data-sourcepos=\"26:1-26:106\"><strong>M\u1eb7c qu\u1ea7n \u00e1o b\u1ea3o v\u1ec7:<\/strong> Che ch\u1eafn da b\u1eb1ng qu\u1ea7n \u00e1o d\u00e0i tay, m\u0169 r\u1ed9ng v\u00e0nh, k\u00ednh r\u00e2m khi ra ngo\u00e0i tr\u1eddi n\u1eafng.<\/li>\n<li data-sourcepos=\"27:1-28:0\"><strong>S\u1eed d\u1ee5ng vi\u00ean u\u1ed1ng ch\u1ed1ng n\u1eafng:<\/strong> M\u1ed9t s\u1ed1 lo\u1ea1i vi\u00ean u\u1ed1ng c\u00f3 ch\u1ee9a th\u00e0nh ph\u1ea7n ch\u1ed1ng oxy h\u00f3a gi\u00fap b\u1ea3o v\u1ec7 da kh\u1ecfi t\u00e1c h\u1ea1i c\u1ee7a tia UV.<\/li>\n<\/ul>\n<p style=\"text-align: right;\"><strong>LAVYON<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tia UV l\u00e0 m\u1ed1i nguy h\u1ea1i ti\u1ec1m \u1ea9n cho l\u00e0n da, tuy nhi\u00ean, ch\u00fang ta ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 da kh\u1ecfi t\u00e1c h\u1ea1i c\u1ee7a tia UV b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3. \u00c1nh n\u1eafng m\u1eb7t tr\u1eddi l\u00e0 ngu\u1ed3n cung c\u1ea5p vitamin D d\u1ed3i d\u00e0o cho [&hellip;]<\/p>\n","protected":false},"author":43,"featured_media":89550,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[4432,32286,35872],"class_list":{"0":"post-89546","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-da","8":"tag-da","9":"tag-lavyonbeauty","10":"tag-tia-cuc-tim"},"_links":{"self":[{"href":"https:\/\/lavyon.com\/vi\/wp-json\/wp\/v2\/posts\/89546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lavyon.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lavyon.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lavyon.com\/vi\/wp-json\/wp\/v2\/users\/43"}],"replies":[{"embeddable":true,"href":"https:\/\/lavyon.com\/vi\/wp-json\/wp\/v2\/comments?post=89546"}],"version-history":[{"count":0,"href":"https:\/\/lavyon.com\/vi\/wp-json\/wp\/v2\/posts\/89546\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lavyon.com\/vi\/wp-json\/wp\/v2\/media\/89550"}],"wp:attachment":[{"href":"https:\/\/lavyon.com\/vi\/wp-json\/wp\/v2\/media?parent=89546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lavyon.com\/vi\/wp-json\/wp\/v2\/categories?post=89546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lavyon.com\/vi\/wp-json\/wp\/v2\/tags?post=89546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}