A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/64 (2006.01) A61K 8/14 (2006.01) A61K 8/365 (2006.01) A61Q 19/00 (2006.01)
Patent
CA 2186597
The present invention relates to an aqueous liposomal dispersion of phospholipids comprising: (a) one or more .alpha.-hydroxycarboxylic acids, one or more .alpha.-ketocarboxylic acids, or salicyclic acid or mixtures therefrom and (b) one or more alcohols, said dispersion having a physiological pH value in the range from 5 to 7.5 and said acids being present nearly completely in salt form. The liposomal dispersion is nonirritant and has a beneficial effect on the skin.
L'invention concerne une dispersion aux liposomes aqueuse de phospholipides comprenant: (a) un ou plusieurs acides .alpha.-hydroxycarboxyliques, un ou plusieurs acides .alpha.-cétocarboxyliques, ou de l'acide salicylique, ou des mélanges de ces acides, ainsi que (b) un ou plusieurs alcools, cette dispersion possédant un pH physiologique compris entre 5 et 7,5, et les acides présents dans celle-ci étant pratiquement tous sous forme de sels. Cette dispersion aux liposomes n'est pas irritante et possède des effets bénéfiques pour la peau.
Roding Joachim
Seigfried Bernd G.
Teichmuller Ernst E.
Rovi Gmbh Handelsgesellschaft Fur Rohstoffe
Sim & Mcburney
LandOfFree
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