Use of an algal culture in a cosmetic composition, comprises unicellular algae such as Chromulina(Chrysophyceae-Ochromonadales), Asterionella(Diatomophyceae-Pennales) and Tetraselmis(Prasinophyceae-Chlorodendrales) or a paste of at least one of these algae obtained from one of these cultures, as an active agent for inhibiting the enzymes implied in the metabolism of fatty acids and lipids. An independent claim is included for a cosmetic composition comprising the algal culture or paste. ACTIVITY : Dermatological. MECHANISM OF ACTION : Acetylcoenzyme A carboxylase inhibitor； Phosphodiesterase inhibitor； Glyceraldehyde 3-phosphate deshydrogenase inhibitor； Fatty acid synthase inhibitor； Lipoprotein lipase inhibitor. No biological data given.
