[EN] DERMAL COMPOSITIONS CONTAINING UNNATURAL HYGROSCOPIC AMINO ACIDS<br/>[FR] COMPOSITIONS DERMATOLOGIQUES CONTENANT DES AMINOACIDES HYGROSCOPIQUES NON NATURELS
申请人:MEDPHARM LTD
公开号:WO2014072747A1
公开(公告)日:2014-05-15
Unnatural, hygroscopic amino acids are useful to enhance the moisture retention and uptake properties of skin. In particular, such amino acids are N-hydroxyserine, N- hydroxyglycine, L-homoserine,alpha-hydroxyglycine, 2-(aminooxy) -2-hydroxyacetic acid, 2-hydroxy-2-(hydroxyamino) acetic acid, 2- (aininooxy)acetic acid, and combinations thereof.
Unnatural, hygroscopic amino acids are useful to enhance the moisture retention and uptake properties of skin. In particular, such amino acids are N-hydroxyserine, N-hydroxyglycine, L-homoserine, alpha-hydroxyglycine, 2-(aminooxy)-2-hydroxyacetic acid, 2-hydroxy-2-(hydroxyamino) acetic acid, 2-(aininooxy)acetic acid, and combinations thereof.
The invention relates to an otorhinological delivery device comprising at least one pharmaceutically active agent. According to the invention the device comprises a core comprising said at least one pharmaceutically active agent wherein said core is made of an elastomer composition selected from the group consisting of poly(dimethylsiloxane), a siloxane-based elastomer comprising 3,3,3-trifluoropropyl groups attached to the Si-atoms of the siloxane units, a siloxane-based elastomer comprising poly(alkylene oxide) groups and mixtures thereof.