o the aqueous phase and/or into the lipid vesicles.Active agents which may be mentioned in particular are moisturizers and, for example, protein hydrolysates and polyols such as glycerol, glycols such as polyethylene glycols, and sugar derivatives.The active agent(s) can be present, for example, in a concentration ranging from 0.01 to 20%, preferably from 0.1 to 5% and better still from 0.5 to 3%,