銀川維生素C乙基醚廠家直銷創(chuàng)造輝煌上海北倉化工科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="如果說護(hù)膚必用的一款精華，那一定是維生素C乙基醚精華。維生素C乙基醚是個好東西，基本上對護(hù)膚的所有期待，維生素C乙基醚都能滿足你！維生素C乙基醚的作用：減少皮膚色素沉著，銀川維生素C乙基醚廠家直銷，防止紫外光傷害促進(jìn)膠原蛋白生長以減少皺紋。"><meta name="keywords" content="銀川維生素C乙基醚廠家直銷,維生素C乙基醚"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>銀川維生素C乙基醚廠家直銷,維生素C乙基醚</p><p><span>***更新：</span>2021-01-06 03:13:25</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="erc3w3t" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海北倉化工科技有限公司</a></p><p><span>聯(lián)系人：</span>王金良</p><p><span>郵箱: </span>shbeicang@vip.126.com</p><p><span>電話: </span>18516286991</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.shbeicang.cn</p><p><span>手機(jī): </span>021-60459206</p><p><span>地址: </span>金山大道4168號</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="7b8oz3s" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="1lymgqw" class="box"><p><p style="text-indent:25px">如果說護(hù)膚必用的一款精華，那一定是維生素C乙基醚精華。維生素C乙基醚是個好東西，基本上對護(hù)膚的所有期待，維生素C乙基醚都能滿足你！維生素C乙基醚的作用：減少皮膚色素沉著，銀川維生素C乙基醚廠家直銷，防止紫外光傷害促進(jìn)膠原蛋白生長以減少皺紋。維生素C乙基醚可以阻礙***從而改善色斑等色素沉著，美白原理就是使黑色素發(fā)生還原反應(yīng)，從黑色還原成黑色。人天天會接收到紫外線，而紫外線照射皮膚后，皮膚產(chǎn)生活性氧化物，會破壞蛋白質(zhì)，DNA和細(xì)胞膜，進(jìn)而造成皮膚的干燥，損傷，衰老，炎癥等多種肌膚問題，銀川維生素C乙基醚廠家直銷。維生素C乙基醚可以作為一種非常好的強(qiáng)抗氧化劑，維生素C乙基醚可以消滅導(dǎo)致皮膚氧化的自由基，從而減緩皮膚老化的速度，銀川維生素C乙基醚廠家直銷，防止皺紋和色斑的出現(xiàn)。維生素C乙基醚分子中具有共軛雙鍵，其稀鹽酸溶液在243nm處有較大吸收。銀川維生素C乙基醚廠家直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="銀川維生素C乙基醚廠家直銷,維生素C乙基醚" src="https://tyunfile.71360.com/UploadFile/shbeicanghuagong/637326788942744140/5036916.png"></div><p style="text-indent:25px">VC乙基醚通過透過角質(zhì)層直達(dá)基底層黑色素細(xì)胞，阻抑酪氨酸酶活性，阻抑***，還原黑色素為無色，從而高效美白肌膚。并且VC乙基醚能夠進(jìn)入真皮層后直接參與膠原蛋白的合成修復(fù)皮膚細(xì)胞活性，使膠原蛋白增加，從而使皮膚變得充盈富有彈性，使肌膚細(xì)膩光滑。Vc乙基醚能夠明顯提高皮膚亮度，阻抑炎癥引起的皮膚發(fā)紅癥狀，明顯去黃和均勻膚色。并且，動物實(shí)驗(yàn)發(fā)現(xiàn)，涂抹后24小時(shí)后，有多達(dá)1%的部分可以到達(dá)真皮，這對于改善皺紋，色斑，抗早衰十分重要。上海維生素C乙基醚生產(chǎn)廠商維生素C乙基醚可以溶于包括水、油、酒精在內(nèi)的許多溶劑，因此可以混合與任何配方的溶劑中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="銀川維生素C乙基醚廠家直銷,維生素C乙基醚" src="https://tyunfile.71360.com/UploadFile/shbeicanghuagong/637326788904160156/3342028.png"></div><p style="text-indent:25px">維生素C乙基醚產(chǎn)品特點(diǎn)：6.0左右的酸堿度(pH值)，充分平衡表皮、真皮酸堿度，也更利于其中活性物的保存。添加羊胚胎提取物與多種肽類物質(zhì)的結(jié)合，所含活性物、營養(yǎng)物更多更***，更能滿足肌膚需要。富含魯斯可皂甙，能夠有效阻抑***擴(kuò)張，增強(qiáng)靜脈血管壁的張力，同時(shí)增加靜脈回流和降低***的通透性，解決皮膚泛紅、血紅絲等困擾。富含小分子的氨基酸、肽、核苷酸、維生素等天然活性成分，具有促進(jìn)新陳代謝、提高蛋白質(zhì)合成速度、增強(qiáng)SOD活性等作用，從而使老化的表皮恢復(fù)彈性，延緩皮膚衰老。</p><p style="text-indent:25px">相對于維生素C，維生素C乙基醚（3-O-乙基抗壞血酸）是一種親油親水的兩性維生素C衍生物，這不僅使其在配方中能夠極為方便的使用，更加使其容易穿透角質(zhì)層進(jìn)入真皮層，進(jìn)入真皮層后被生物酶分解發(fā)揮VC的作用，提高VC的利用度，從而起到更好的美白淡斑的功效。除此以外，普通維生素C則很難被皮膚吸收，生物利用度很低，而維生素C乙基醚相對普通維生素C顯示出極高的穩(wěn)定性。目前國內(nèi)生產(chǎn)的維生素C乙基醚產(chǎn)品在水溶液或是固體狀態(tài)保存的條件下均會有顏色逐漸變黃的現(xiàn)象，這極大的制約了該產(chǎn)品的保存和使用。主要是因?yàn)樵谀壳暗木S生素C乙基醚的生產(chǎn)過程中，經(jīng)歷了從維生素C上保護(hù)基脫保護(hù)劑的過程。維生素C乙基醚安全性和穩(wěn)定性：在PH值3.0-6.0的環(huán)境中，兩年以上不變色，更穩(wěn)定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="銀川維生素C乙基醚廠家直銷,維生素C乙基醚" src="https://tyunfile.71360.com/UploadFile/shbeicanghuagong/637326789055488281/5916318.png"></div><p style="text-indent:25px">維生素C乙基醚色度測試實(shí)驗(yàn)方法：鉑鈷標(biāo)準(zhǔn)目視比色法。儀器：(1)50mL 具塞比色管試管架。藥品(1)硫酸鈷 (CoSO4·7H2O)；(2)氯鉑酸鉀 (K2PtCl6)，可用重鉻酸鉀代替。試劑鉑鈷標(biāo)準(zhǔn)溶液：稱取 0.0437g 重鉻酸鉀和 1.000g 硫酸鈷(CoSO4·7H2O)，溶于少量水中，加入 0.5mL 硫酸，用水稀釋至500mL，此溶液的色度為 500度。實(shí)驗(yàn)步驟：(1)標(biāo)準(zhǔn)色列的配制：向 50mL 比色管中加入0、0.5、1.0、1.5、2.0、2.5、3.5、4.0、4.5、5.0、6.0、7.0mL鉑鈷標(biāo)準(zhǔn)溶液，用水稀釋至標(biāo)線，混勻。各管色度依次為0、5、10、15、20、25、30、35、40、45、50、60、70度。密塞保存。維生素C乙基醚能使難以吸收的三價(jià)鐵還原為易于吸收的二價(jià)鐵，從而促進(jìn)了鐵的吸收。銀川維生素C乙基醚廠家直銷</p><p style="text-indent:25px">維生素C乙基醚在化學(xué)物質(zhì)上非常穩(wěn)定，是不變色的。銀川維生素C乙基醚廠家直銷</p><p style="text-indent:25px">眾所周知，維生素C是一種強(qiáng)烈的還原劑，它具有抗氧化的作用，淡化黑色素的顏色，是非常受寵的美白但維生素C也有著其很難克服的缺點(diǎn)，既怕光，又怕熱，更怕氧化，一旦接觸氧氣，還原力會全部喪失，而且不易被皮膚真正吸收，皮膚利用度低。相對維C而言，VC乙基醚作為維生素C的衍生物，它保留了維生素C的氧化還原作用而且非常穩(wěn)定，是不變色的維生物C衍生物，很容易穿透角質(zhì)層進(jìn)入皮革層，進(jìn)入皮膚后被生物酶分解發(fā)揮VC的作用，提高VC的利用度，從而起到更好的淡斑美白功效,是全世界安全美白產(chǎn)品的新寵。銀川維生素C乙基醚廠家直銷</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2721364.html</p></div></div></div></div></div><div id="skvg3ni" class="page-right twoColRt"><div id="ywh3sf8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="v33xndt" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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