Topical delivery of skin compositions having low pH
Low pH compositions for topical administration to skin are provided. They comprise a buffering agent having a pKa of about 2.8 to about 4.2 and a cosmetically acceptable active ingredient having a pKa within about 1 unit of the pKa of the buffering agent. The composition has a pH of about 3.3 to 4 and a buffer capacity of at least about 0.15. A method of increasing the topical delivery of a cosmetically acceptable active ingredient having a pKa of about 2.8 to about 4 is also provided.
Johnson & Johnson Consumer Inc.
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Dianne Ya-Ping Robert Wayne Ramine Wen-Hwa Ting Janet Ying Marisa DeVita Jyotsna Anne-Sophie Ali Devin L.
Rossetti Hu Yates Parsa Li Wangari-Talbot Sun Dufort Paturi Brillouet Fassih Garcia