申请人:Ciba Specialty Chemicals Holding Inc.
公开号:EP1407757A1
公开(公告)日:2004-04-14
Disclosed is a method of producing a cosmetic composition comprising a micronised or-, ganic UV absorber (a), which method comprises grinding the organic UV absorber, in coarse particle form, in a grinding apparatus, in the presence of a composition, comprising
(i) 0.1 to 99,9%, preferably 1 to 40 % by weight, based on the micronised insoluble organic UV absorber, of a dispersing agent (b); and
(ii) 0.1 to 99.9 % preferably 1 to 40 % by weight, based on the micronised organic UV absorber, of an anionic, cationic or amphoteric UV absorber (c).
本发明公开了一种生产化妆品组合物的方法,该组合物包含微粉化的有机紫外线吸收剂(a),该方法包括在有组合物存在的情况下,在研磨设备中研磨粗颗粒状的有机紫外线吸收剂,其中包括
(i) 0.1%至 99.9%,最好是 1%至 40%(以微粉化的不溶性有机紫外线吸收 剂的重量计)的分散剂 (b);以及
(ii) 阴离子、阳离子或两性紫外线吸收剂 (c),占微粉有机紫外线吸收剂的 0.1%至 99.9%,最好是 1%至 40%(按重量计)。