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防曬產品擦了卻無效?那是因為…

<span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;">你有沒有過這種經驗:乖乖使用了標示SPF50和PA++++的最高規格防曬產品,但暴露在陽光下一段時間後,皮膚還是出現乾燥粗糙的現象、甚至跑出黑斑!明明確實擦了防曬,到底哪裡出了問題?其實,我們都忽略了防曬產品沒說的事──它是否具有長波UVA防護力。</span><span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;"> </span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;" /> <span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;">根據台北長庚醫院皮膚科主治醫師黃毓惠表示,紫外線依波長及傷害程度分為:</span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;" /> <br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;" /> <span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;">1.長波UVA (340~400nm)─破壞細胞DNA且造成傷害,如曬黑、曬斑、老化鬆弛皺紋、黑色素沉澱及皮膚癌等</span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;" /> <br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;" /> <span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;">2.短波UVA (320~340nm)─曬黑、曬斑</span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;" /> <br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;" /> <span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;">3.UVB (290~320nm)─急性曬紅曬傷</span><br /> <br /> <span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;">由此可知「長波UVA」穿透性最強、對皮膚造成的傷害也最深,但是目前防曬品針對防曬功效所標示的防護指數中,大多數並未針對長波UVA有標準化的數值標示,因此不同防曬產品雖標示同級防曬係數,但二者對長波UVA的防護力有可能出現落差。黃醫師建議在選擇防曬產品時,可以選有專業皮膚科醫師推薦、並清楚標示具有長波UVA防護力的品牌。</span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;" /> <span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;"> </span><span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16px; line-height: 23.204347610473633px;">而即將飛往炙熱非洲、面對赤道危險超量紫外線的謝怡芬Janet,也曾有過購買NG防曬品的慘痛經驗,Janet表示:「防曬產品上頭標示一定要名符其實!特別是防曬係數的部分,很多防曬品雖有標示SPF/PA防曬係數,但實際上卻無法達到所標示數字該有的抗UV防護力,這會讓你的皮膚在不知不覺中就曬黑又曬老了。」現在知道了這件不是每樣防曬品都會告訴你的事,以後挑防曬時眼睛要睜大囉!</span><br /> <br /> <span class="provider org" style="color: rgb(153, 153, 153); font-size: 12px; line-height: 14.882790565490723px; font-family: arial, STHeiti, pmingliu, sans-serif !important;">VOGUE</span><span style="color: rgb(153, 153, 153); font-family: Arial; font-size: 12px; line-height: 14.882790565490723px;"> – </span><abbr style="border: 0px; color: rgb(153, 153, 153); font-family: Arial; font-size: 12px; line-height: 14.882790565490723px;" title="2014-06-12T15:11:30Z">2014年6月12日週四 </abbr>
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