為什麼洗髮精用一段時間後頭髮會愈來愈洗不乾淨?

<p style="font-size: 13px; font-family: arial, "Century Gothic"; white-space: normal; w-spacing: 0px; -transform: none; font-weight: normal; color: rgb(93,93,93); padding-bottom: 0px; font-style: normal; padding-top: 0px; padding-left: 0px; orphans: 2; widows: 2; margin: 0px 0px 1em; letter-spacing: 1.3px; padding-right: 0px; background-color: rgb(255,255,255); -indent: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit--stroke-width: 0px; -decoration-style: initial; -decoration-color: initial"><span style="font-size: medium"><span style="font-family: calibri"><span style="font-family: 新細明體, serif">為什麼<strong>洗髮精用一段時間後頭髮會愈來愈洗不乾淨</strong></span><strong>?</strong></span></span><br /> <a href="http://mabelshen26.pixnet.net/blog/post/306847048" target="_blank">http://mabelshen26.pixnet.net/blog/post/306847048</a><br /> (點進連結有更詳細說明和圖喔~)<br /> <span style="font-size: medium"><span style="font-family: calibri"><span style="font-family: 新細明體, serif">我一直有這種感覺，但不知道原因，直到前一段時間在上有關介面活性的課時才豁然開朗</span><span style="font-family: calibri">!</span></span></span><br /> <span><span style="font-family: 新細明體, serif"><span style="font-size: medium">其實洗髮精就是一種介面活性劑，<strong>特定配方的介面活性劑只能洗掉特定的髒汙</strong>。</span></span></span><br /> <br /> <span style="font-size: medium"><span style="font-family: 新細明體, serif">不知道大家有沒有一種感覺，<u>剛換這瓶洗髮精明明覺得頭洗完很乾淨，怎麼用久了之後清潔力愈來愈下降，洗完頭隔天早上起來還是油油的</u></span><u><span style="font-family: calibri">?</span></u></span><br /> <span><span style="font-family: 新細明體, serif"><span style="font-size: medium">其實就是因為<span style="color: rgb(52,108,181)"><strong>每一罐洗髮精的配方都不太一樣，能洗掉髒汙的類型也不太同</strong></span>。</span></span></span></p> <p style="font-size: 13px; font-family: arial, "Century Gothic"; white-space: normal; w-spacing: 0px; -transform: none; font-weight: normal; color: rgb(93,93,93); padding-bottom: 0px; font-style: normal; padding-top: 0px; padding-left: 0px; orphans: 2; widows: 2; margin: 0px 0px 1em; letter-spacing: 1.3px; padding-right: 0px; background-color: rgb(255,255,255); -indent: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit--stroke-width: 0px; -decoration-style: initial; -decoration-color: initial"><span style="font-size: medium"><span style="font-family: 新細明體, serif">所以<strong>遇到洗髮精用一段時間後頭髮會愈來愈洗不乾淨怎麼辦呢</strong></span><strong><span style="font-family: calibri">?</span></strong></span></p> <p style="font-size: 13px; font-family: arial, "Century Gothic"; white-space: normal; w-spacing: 0px; -transform: none; font-weight: normal; color: rgb(93,93,93); padding-bottom: 0px; font-style: normal; padding-top: 0px; padding-left: 0px; orphans: 2; widows: 2; margin: 0px 0px 1em; letter-spacing: 1.3px; padding-right: 0px; background-color: rgb(255,255,255); -indent: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit--stroke-width: 0px; -decoration-style: initial; -decoration-color: initial"><span style="font-size: medium"><span style="font-family: 新細明體, serif"><img alt="" height="20" original="//s.pixfs.net/f.pixnet.net/images/emotions/049.gif" src="http://s.pixfs.net/f.pixnet.net/images/emotions/049.gif" style="ber-top: 0px; ber-right: 0px; ber-bottom: 0px; ber-left: 0px; display: inline" title="" width="20" />結論</span><span style="font-family: calibri">:</span></span><br /> <span style="font-size: medium"><span style="font-family: calibri"><span style="color: rgb(52,108,181)"><strong><span style="font-family: 新細明體, serif">開</span><span style="font-family: calibri">2-3</span></strong><strong><span style="font-family: 新細明體, serif">瓶洗髮精輪流用</span></strong></span>(<span style="font-family: 新細明體, serif">當然不是叫你</span>3<span style="font-family: 新細明體, serif">罐倒一起<img alt="" height="19" original="//s.pixfs.net/f.pixnet.net/images/emotions/shades_smile.gif" src="http://s.pixfs.net/f.pixnet.net/images/emotions/shades_smile.gif" style="ber-top: 0px; ber-right: 0px; ber-bottom: 0px; ber-left: 0px; display: inline" title="" width="19" /></span>)<span style="font-family: 新細明體, serif">，每次洗頭用不一樣的洗髮精就可以解決了喔</span><span style="font-family: calibri">~</span></span></span></p>