防晒霜的保质期，真的非常重要！！
<p><span word="As">As</span> <span word="sunscreen">sunscreen</span> <span word="ages">ages</span>, <span word="its">its</span> <span word="sun">sun</span>-<span word="protection">protection</span> <span word="ingredients">ingredients</span> <span word="degrade">degrade</span>, <span word="reducing">reducing</span> <span word="its">its</span> <span word="effectiveness">effectiveness</span>.</p><p>防晒霜老化后，防晒成分的纯度会降低，导致防晒效果变差。</p><p><span word="Keeping">Keeping</span> <span word="a">a</span> <span word="fresh">fresh</span> <span word="bottle">bottle</span> <span word="on">on</span> <span word="hand">hand</span>, <span word="and">and</span> <span word="using">using</span> <span word="it">it</span> <span word="every">every</span> <span word="time">time</span> <span word="you">you</span>’<span word="re">re</span> <span word="out">out</span> <span word="in">in</span> <span word="the">the</span> <span word="sun">sun</span>, <span word="will">will</span> <span word="keep">keep</span> <span word="you">you</span> <span word="from">from</span> <span word="getting">getting</span> <span word="sunburned">sunburned</span> <span word="and">and</span> <span word="also">also</span> <span word="help">help</span> <span word="prevent">prevent</span> <span word="skin">skin</span> <span word="cancer">cancer</span>, <span word="the">the</span> <span word="most">most</span> <span word="common">common</span> <span word="cancer">cancer</span> <span word="of">of</span> <span word="all">all</span>.</p><p>准备一瓶保质期新鲜的防晒霜，每次出门有日晒时拿来用，能够防止晒伤，还能预防最常见的癌症皮肤癌。</p><p><span word="If">If</span> <span word="your">your</span> <span word="sunblock">sunblock</span> <span word="doesn">doesn</span>’<span word="t">t</span> <span word="have">have</span> <span word="an">an</span> <span word="expiration">expiration</span> <span word="date">date</span> <span word="on">on</span> <span word="the">the</span> <span word="bottle">bottle</span> <span word="for">for</span> <span word="some">some</span> <span word="reason">reason</span>, <span word="though">though</span>, <span word="keep">keep</span> <span word="Dr">Dr</span>. <span word="Shari">Shari</span> <span word="Lipner">Lipner</span>’<span word="s">s</span> <span word="advice">advice</span> <span word="in">in</span> <span word="mind">mind</span>.</p><p>如果你的防晒霜不知为什么没有保质期，那就谨记莎莉•李普诺医生的建议。</p>
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