Purified hydrosoluble fraction obtained from "Myrica cerifera L.". Contains a minimum 4.5% Dihydromyricetin. Dihydromyricetin is novel molecule acting on the lipid metabolism, specifically on the inhibition of the anabolic and adipogenic pathways in fat cells. It also reduces the amount and impairs the quality of undesired hair, thus reducing the need for depilation sessions. Suitable to be formulated into any kind of anti-cellulite, anti-wrinkle, slimming and/or body modelling cosmetic treatment mainly aimed at reducing the fat amount in the adipose tissue.