{"id":8624,"date":"2025-02-24T12:06:37","date_gmt":"2025-02-24T05:06:37","guid":{"rendered":"https:\/\/drnguyengiap.com\/?p=8624"},"modified":"2025-02-24T12:06:37","modified_gmt":"2025-02-24T05:06:37","slug":"what-is-spf-in-sunscreen-means","status":"publish","type":"post","link":"https:\/\/drnguyengiap.com\/en\/chi-so-chong-nang-spf-la-gi\/","title":{"rendered":"What is spf in sunscreen means"},"content":{"rendered":"<p><strong>What is a good SPF\/PA sunscreen index?<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Choosing the right sunscreen is one of the important steps to protect your skin from the harmful effects of UV rays. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">However, many people still do not clearly understand the SPF and PA indexes on sunscreen and how to choose the right product. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">In this article of <a href=\"\/en\/\"><strong>, Dr. Nguyen Giap<\/strong><\/a>, we will learn about sun protection factors, what they mean and how to choose the most effective sunscreen for your skin.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8627\" title=\"chi-so-chong-nang-spf-la-gi\" src=\"https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-chong-nang-spf-la-gi.webp\" alt=\"cost comparison chong nang spf la gi\" width=\"800\" height=\"800\" srcset=\"https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-chong-nang-spf-la-gi.webp 800w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-chong-nang-spf-la-gi-300x300.webp 300w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-chong-nang-spf-la-gi-150x150.webp 150w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-chong-nang-spf-la-gi-768x768.webp 768w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-chong-nang-spf-la-gi-12x12.webp 12w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Main Contents <\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Clinic Overview<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/drnguyengiap.com\/en\/chi-so-chong-nang-spf-la-gi\/#Chi_so_chong_nang_la_gi\" >What is sun protection factor?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/drnguyengiap.com\/en\/chi-so-chong-nang-spf-la-gi\/#Chi_so_SPF_%E2%80%93_Chong_tia_UVB\" >Index of SPF \u2013 Anti-UVB rays<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/drnguyengiap.com\/en\/chi-so-chong-nang-spf-la-gi\/#Muc_do_bao_ve_theo_chi_so_SPF\" >Degree of protection according to the index of SPF<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/drnguyengiap.com\/en\/chi-so-chong-nang-spf-la-gi\/#Chi_so_chong_nang_bao_nhieu_la_tot\" >What is a good sun protection factor?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/drnguyengiap.com\/en\/chi-so-chong-nang-spf-la-gi\/#Kem_chong_nang_vat_ly_va_hoa_hoc_%E2%80%93_Loai_nao_tot_hon\" >Sunscreen physics and chemistry \u2013 Type which is better?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/drnguyengiap.com\/en\/chi-so-chong-nang-spf-la-gi\/#Kem_chong_nang_vat_ly_Sunblock\" >Sunscreen physics (Sunblock)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/drnguyengiap.com\/en\/chi-so-chong-nang-spf-la-gi\/#Kem_chong_nang_hoa_hoc_Sunscreen\" >Sunscreen chemical (Sunscreen)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/drnguyengiap.com\/en\/chi-so-chong-nang-spf-la-gi\/#Nhung_luu_y_khi_su_dung_kem_chong_nang\" >Notes when using sunscreen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/drnguyengiap.com\/en\/chi-so-chong-nang-spf-la-gi\/#Tom_Lai\" >Summary<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Chi_so_chong_nang_la_gi\"><\/span><b>What is sun protection factor?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>When looking to buy sunscreen, you often see the notation as SPF 30, SPF 50 or PA+++.<\/p>\n<p>These indicators show the ability to protect the skin from the harmful effects of UVB rays and UVA, the main cause of sunburn, skin aging and skin cancer.<\/p>\n<p>Understanding the correct sun protection factor will help you choose the right product. <a href=\"https:\/\/drnguyengiap.com\/en\/how-to-determine-your-skin-type\/\">skin suit<\/a>ensuring efficient optimal protection without irritation or clogging clogged pores.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chi_so_SPF_%E2%80%93_Chong_tia_UVB\"><\/span><b>Index of SPF \u2013 Anti-UVB rays<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>SPF (Sun Protection Factor)<span style=\"font-weight: 400;\"> is a measure of the skin's ability to protect against <\/span>UVB rays, <span style=\"font-weight: 400;\">main causes <\/span>sunburn, burning skin<span style=\"font-weight: 400;\"> and <\/span>skin cancer<span style=\"font-weight: 400;\">.<\/span><\/p>\n<p>How your SPF:<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SPF as high time protect the skin from UVB rays as long.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">1 SPF \u2248 10 minutes protects against UVB rays.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">However, the SPF does not reflect the resistance to UVA rays, which cause aging and darkening of skin pigmentation.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Muc_do_bao_ve_theo_chi_so_SPF\"><\/span><b>Degree of protection according to the index of SPF<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>Index of SPF<\/b><\/td>\n<td><b>Guard time (estimated)<\/b><\/td>\n<td><b>Effective anti-UVB<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">SPF 15<\/span><\/td>\n<td><span style=\"font-weight: 400;\">~150 minutes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">93.4%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">SPF 30<\/span><\/td>\n<td><span style=\"font-weight: 400;\">~300 minutes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">96.7%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">SPF 50<\/span><\/td>\n<td><span style=\"font-weight: 400;\">~500 minutes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">98%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">SPF 60+<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Do not increase significantly<\/span><\/td>\n<td><span style=\"font-weight: 400;\">~98-99%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\ud83d\udd39 <\/span><b>Note:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">SPF is not proportional with the ability to protect. SPF 100 does not mean that protect the skin twice SPF 50.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8630\" title=\"phase-I-y-nghia-chi-so-pa-in-cream-chong-nang\" src=\"https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/giai-thich-y-nghia-chi-so-pa-trong-kem-chong-nang.webp\" alt=\"the best ever y nghia so pa in the cream chong nang\" width=\"800\" height=\"800\" srcset=\"https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/giai-thich-y-nghia-chi-so-pa-trong-kem-chong-nang.webp 800w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/giai-thich-y-nghia-chi-so-pa-trong-kem-chong-nang-300x300.webp 300w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/giai-thich-y-nghia-chi-so-pa-trong-kem-chong-nang-150x150.webp 150w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/giai-thich-y-nghia-chi-so-pa-trong-kem-chong-nang-768x768.webp 768w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/giai-thich-y-nghia-chi-so-pa-trong-kem-chong-nang-12x12.webp 12w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">SPF higher creamy texture as thick, easy to cause mystery skin, clogged pores and irritation.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">To protect the skin comprehensive, in addition to SPF, of interest to only some PA against UVA rays.<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><strong><a class=\"hotline-button\" href=\"tel:0909 886 054\">CONSULTING FACIAL SKIN CONDITION<\/a><\/strong><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Chi_so_chong_nang_bao_nhieu_la_tot\"><\/span><b>What is a good sun protection factor?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Choosing a sunscreen with a high SPF is not necessarily good. Choosing a sunscreen index should be based on your needs and skin characteristics.<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">SPF 15 \u2013 30, PA++: Suitable for office workers with little exposure to sunlight.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">SPF 30 \u2013 50, PA+++: Suitable for outdoor activities, helps protect skin better.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8629\" title=\"chi-so-spf-va-kha-nang-chong-tia-uvb\" src=\"https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-spf-va-kha-nang-chong-tia-uvb.webp\" alt=\"so spf va kha nang chong uvb rays\" width=\"800\" height=\"800\" srcset=\"https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-spf-va-kha-nang-chong-tia-uvb.webp 800w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-spf-va-kha-nang-chong-tia-uvb-300x300.webp 300w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-spf-va-kha-nang-chong-tia-uvb-150x150.webp 150w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-spf-va-kha-nang-chong-tia-uvb-768x768.webp 768w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-spf-va-kha-nang-chong-tia-uvb-12x12.webp 12w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">SPF 50+, PA++++: for the skin and easy to catch sunny treat skin pigmentation or need intensive protection.<\/li>\n<\/ul>\n<p>In addition, with sensitive skin, easy to irritation, you should choose a sunscreen that has an SPF of 30 \u2013 50, PA+++, avoid alcoholic products, or aromatherapy.<\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kem_chong_nang_vat_ly_va_hoa_hoc_%E2%80%93_Loai_nao_tot_hon\"><\/span><b>Sunscreen physics and chemistry \u2013 Type which is better?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Sunscreen is divided into two main types: physical sunscreen (Sunblock) and chemical sunscreen (Sunscreen). <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Each type has the mechanism of action different to suit each skin type and needs different uses.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kem_chong_nang_vat_ly_Sunblock\"><\/span><b>Sunscreen physics (Sunblock)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Physical sunscreen contains natural mineral ingredients such as Zinc Oxide and Titanium Dioxide, which help create a protective layer on the skin's surface and reflect UV rays before they penetrate the skin.<\/span><\/p>\n<p><b>Advantages:<\/b><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">\u2705 Protects the skin immediately after application, no need to wait 15-20 minutes to cream of chemical.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u2705 Less irritation, in accordance with sensitive skin, children.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u2705 Well protected ago rays UVA &amp; UVB rays, thanks to mechanisms reflect UV rays.<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8628 size-full\" title=\"chi-so-spf-cover-hairy-la-tot\" src=\"https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-spf-bao-nhieu-la-tot.webp\" alt=\"SPF is what? how much is a good\" width=\"800\" height=\"800\" srcset=\"https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-spf-bao-nhieu-la-tot.webp 800w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-spf-bao-nhieu-la-tot-300x300.webp 300w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-spf-bao-nhieu-la-tot-150x150.webp 150w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-spf-bao-nhieu-la-tot-768x768.webp 768w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/chi-so-spf-bao-nhieu-la-tot-12x12.webp 12w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><b>Cons:<\/b><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">\u274c Easy to leave white streaks on the skin, causing a heavy face.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u274c Quality of thick cream, which can cause mysterious skin without makeup remover skills.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u274c Not sticking long time on skin, easy to drift when sweating or contact with water.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Kem_chong_nang_hoa_hoc_Sunscreen\"><\/span><b>Sunscreen chemical (Sunscreen)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Sunscreen chemical-containing organic compounds, such as Avobenzone, Oxybenzone, Octinoxate, works by absorbing UV rays and convert them into heat energy, then release out.<\/span><\/p>\n<p><b>Advantages:<\/b><\/p>\n<ol>\n<li>\u2705 Texture thin, lightweight, absorbent, fast, without causing mysterious skin.<\/li>\n<li>\u2705 Does not leave white streaks as sunscreen physics.<\/li>\n<li>\u2705 Fit <a href=\"https:\/\/drnguyengiap.com\/en\/what-is-oily-skin-type\/\">oily skin<\/a>combination skin because of potentially alkali, oil well.<\/li>\n<\/ol>\n<p><b>Cons:<\/b><\/p>\n<ol>\n<li>\u274c Need to apply before 15 \u2013 20 minutes before going outside to exert their effects.<\/li>\n<li>\u274c Can cause irritation for sensitive skin contains a lot of chemicals.<\/li>\n<li>\u274c Some ingredients, such as Oxybenzone, Octinoxate can cause harm to the marine environment.<\/li>\n<\/ol>\n<p><b>Should choose a sunscreen physics or chemistry?<\/b><\/p>\n<ul>\n<li>\ud83d\udd39 If you have sensitive skin, easy to irritation: \u2192 Choose sunscreen physics.<\/li>\n<li>\ud83d\udd39 If you need the background layer is thin, lightweight, non-greasy: \u2192 Choose a sunscreen chemical.<\/li>\n<li>\ud83d\udd39 If outdoor activities, swimming: \u2192 Choose sunscreen physics + indicator against water well.<\/li>\n<li>\ud83d\udd39 If everyday makeup: \u2192 Choose a sunscreen chemical osmosis fast.<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\ud83d\udccc <\/span><b>Tips:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Whether taking any kind, also need to reapply sunscreen every 2 \u2013 3 hours.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Combine hat, sunglasses, jacket sunscreen to protect the skin comprehensive.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/drnguyengiap.com\/en\/exfoliating-facial-scrub\/\">Exfoliate<\/a> periodically, remove makeup thoroughly at the end of the day to avoid clogged clogged pores.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8626\" title=\"dab-kem-chong-nang-content-cach-de-bao-ve-da\" src=\"https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/thoa-kem-chong-nang-dung-cach-de-bao-ve-da.webp\" alt=\"apply the cream chong nang dung cach de bao ve da\" width=\"800\" height=\"800\" srcset=\"https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/thoa-kem-chong-nang-dung-cach-de-bao-ve-da.webp 800w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/thoa-kem-chong-nang-dung-cach-de-bao-ve-da-300x300.webp 300w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/thoa-kem-chong-nang-dung-cach-de-bao-ve-da-150x150.webp 150w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/thoa-kem-chong-nang-dung-cach-de-bao-ve-da-768x768.webp 768w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2025\/02\/thoa-kem-chong-nang-dung-cach-de-bao-ve-da-12x12.webp 12w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nhung_luu_y_khi_su_dung_kem_chong_nang\"><\/span><b>Notes when using sunscreen<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>However, choosing a sunscreen physics or chemistry, you need to use properly to achieve maximum efficiency.<\/p>\n<p>\u2705 Apply the right sunscreen quality: Use approximately 2mg\/cm2 of skin to effectively reach optimal protection.<\/p>\n<p>\u2705 Reapply sunscreen:<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">If working in the office, reapplied after 4 \u2013 5 hours.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">If outdoor activities or go swimming, reapply after every 2 \u2013 3 hours.<\/li>\n<\/ul>\n<p>\u2705 Use sunscreen even when the sun shady: UVA Rays can pass through clouds and glass, which cause skin lesions even when there is no sun.<\/p>\n<p>\u2705 In combination with measures other sun protection: Use hats, sunglasses, shirt sunscreen to protect the skin comprehensive.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tom_Lai\"><\/span><b>Summary<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Choosing the right sunscreen is not only based on SPF or PA index but also depends on skin condition and exposure environment.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SPF 30 \u2013 50, PA+++ is the right level for the needs sunscreen daily.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Do not abuse sunscreen with SPF too high because there can cause clogged clogged pores.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Combine reapplied sunscreen and measures shielding to protect the skin optimally.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Hope this article help you better understand the just of sunscreen and how to choose sunscreen fit! \ud83c\udf1e<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>PROCEDURES PROCESS AT DR. NGUYEN GIAP AESTHETIC SURGERY CENTER<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5397\" src=\"https:\/\/drnguyengiap.com\/wp-content\/uploads\/2023\/12\/chinh-xuong-11.jpg.webp\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" srcset=\"https:\/\/drnguyengiap.com\/wp-content\/uploads\/2023\/12\/chinh-xuong-11.jpg.webp 800w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2023\/12\/chinh-xuong-11-300x300.jpg.webp 300w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2023\/12\/chinh-xuong-11-150x150.jpg.webp 150w, https:\/\/drnguyengiap.com\/wp-content\/uploads\/2023\/12\/chinh-xuong-11-768x768.jpg.webp 768w\" alt=\"Quy trinh lam viec tai doctor, Dr Nguyen Giap\" width=\"800\" height=\"800\" \/><\/p>\n<div><\/div>\n<div><strong>Video review in detail the method SMAS good efficiency in Dr Nguyen Giap<\/strong><\/div>\n<div><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/RJP0isAG3Ps?si=qCa2sEHlnUrZeTUD&amp;controls=0&amp;start=40\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div><\/div>\n<div>DR. NGUYEN GIAP AESTHETIC SURGERY CENTER<\/div>\n<ul>\n<li>Hotline: 0909 886 054<\/li>\n<li>Map:\u00a0<a href=\"https:\/\/g.co\/kgs\/iuwZLSV\" target=\"_blank\" rel=\"nofollow noopener\">https:\/\/g.co\/kgs\/iuwZLSV<\/a><\/li>\n<li>Aesthetic Association: :\/\/www.hoithammy.org\/index.php?m=tieu-chuan-1&amp;id=1532<\/li>\n<li>What clinic:\u00a0https:\/\/www.whatclinic.com\/cosmetic-plastic-surgery\/vietnam\/ho-chi-minh-city\/phu-nhuan-district-ho-chi-minh\/dr-nguyen-giap-aesthetic-surgery-center<\/li>\n<\/ul>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Ch\u1ec9 s\u1ed1 ch\u1ed1ng n\u1eafng SPF\/PA bao nhi\u00eau l\u00e0 t\u1ed1t? Ch\u1ecdn kem ch\u1ed1ng n\u1eafng ph\u00f9 h\u1ee3p l\u00e0 m\u1ed9t trong nh\u1eefng b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 l\u00e0n da tr\u01b0\u1edbc t\u00e1c h\u1ea1i c\u1ee7a tia UV. Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn ch\u01b0a hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c ch\u1ec9 s\u1ed1 SPF, PA tr\u00ean kem ch\u1ed1ng n\u1eafng v\u00e0 c\u00e1ch ch\u1ecdn s\u1ea3n<\/p>","protected":false},"author":5,"featured_media":8630,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-8624","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc-chuyen-mon"],"_links":{"self":[{"href":"https:\/\/drnguyengiap.com\/en\/wp-json\/wp\/v2\/posts\/8624","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/drnguyengiap.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/drnguyengiap.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/drnguyengiap.com\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/drnguyengiap.com\/en\/wp-json\/wp\/v2\/comments?post=8624"}],"version-history":[{"count":4,"href":"https:\/\/drnguyengiap.com\/en\/wp-json\/wp\/v2\/posts\/8624\/revisions"}],"predecessor-version":[{"id":8633,"href":"https:\/\/drnguyengiap.com\/en\/wp-json\/wp\/v2\/posts\/8624\/revisions\/8633"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/drnguyengiap.com\/en\/wp-json\/wp\/v2\/media\/8630"}],"wp:attachment":[{"href":"https:\/\/drnguyengiap.com\/en\/wp-json\/wp\/v2\/media?parent=8624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/drnguyengiap.com\/en\/wp-json\/wp\/v2\/categories?post=8624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/drnguyengiap.com\/en\/wp-json\/wp\/v2\/tags?post=8624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}