发明名称 Low pH retinoid topical compositions
摘要 A low pH composition containing a retinol and a method for treating skin is disclosed. The composition contains (a) a retinoid and (b) an active acid, like an alpha-hydroxy acid or a beta-hydroxy acid, and has a pH of less than 5.
申请公布号 US8529920(B2) 申请公布日期 2013.09.10
申请号 US200913062021 申请日期 2009.09.09
申请人 LIU LIMIN;SPINDLER RALPH;VAKILI-TAHAMI GHOLAM-REZA;AMCOL INTERNATIONAL CORPORATION 发明人 LIU LIMIN;SPINDLER RALPH;VAKILI-TAHAMI GHOLAM-REZA
分类号 A61K9/16;A61K8/02;A61K9/107 主分类号 A61K9/16
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