Cosmetic and/or pharmaceutical composition containing a dispersion of lipid vesicles, process for the preparation of the said dispersion and dispersion of lipid vesicles

摘要

A composition comprises in an aqueous dispersion phase, a dispersion of lipid vesicles that encapsulate an aqueous phase. The lipid vesicles are a lipid phase containing an ionic amphiphilic lipid or a nonionic amphiphilic lipid, or a mixture thereof, together with a compound having the formula ##STR1## wherein (a) W represents --CH.sub.2 OH, --COOM or -- (CH.sub.2).sub.2 --COOM, wherein M represents H, alkali metal or alkaline earth metal and X, Y, Z and V, each independently, represent hydrogen or hydroxyl, with the proviso that when W represents -- CH.sub.2 OH at least one of X, Y, Z or V represents hydroxyl, or (b) W represents --CH.sub.3 and X, Y, Z and V represent H or OH combined as shown in each line of the table below:PP ______________________________________ PPX Y Z V PP ______________________________________ PP OH OH OH OH PPOH H OH OH PPOH OH OH H PPH OH OH OH PPH OH OH H P PH H OH OH P POH H OH H PP ______________________________________ PP