Cosmetic or dermatological preparations for treating sun-tanning contain chitosan and lecithin to delay vaporization of volatile components

摘要

A cosmetic or dermatological preparation contains: (A) a volatile substance with a vaporization index below 30; (B) a chitosan; and (C) a lecithin. Independent claims are included for: (1) the use of a chitosan and a lecithin in a cosmetic or dermatological preparation to delay the vaporization of a volatile substance with a vaporization index below 30 after application of the preparation to the skin or scalp; and (2) a cosmetic or dermatological sun-protection system comprising a formulation containing a filtering substance for UV-A and/or UV-B and a formulation containing (A)- C) as above, the formulations being packaged separately in a multi-chamber container.