Cosmetic use of at least one plant of species Rubus fructicosus(I) and/or its extract as an agent to reduce or prevent whitening of hair and/or body hair. Independent claims are included for: (1) cosmetic treatment comprising topically applying the extract of Rubus fructicosusor a composition containing the extract on the skin or its appendages; and (2) a combination product for simultaneous, separate or sequential use, comprising at least a component comprising (I) and a second component comprising an additional active agent for promoting natural pigmentation or reducing whitening of hair, comprising extracts of a plant of pomegranate ( Punica granatum), Fragaria, raspberry, grape, walnut, Terminalia(preferably Belerica, Chebulaand Arjuna) and Caesalpinia spinosa. ACTIVITY : Dermatological. MECHANISM OF ACTION : None given.