1. Cosmetic use of an effective amount of at least one ingredient containing kaftaric acid and / or its derivatives as an active agent for the preparation of an oral biologically active food supplement (BAA) for the prevention and / or treatment of skin pigmentation disorders and / or skin imperfections. 2. The use according to claim 1, characterized in that the skin disorders are disorders observed with melasma (melanosis), freckles, vitiligo, piebaldism, phenylketonuria and the like, and / or age spots. 3. The use of claim 1 for improving skin tone and / or complexion. 4. The use according to claim 1, where the dietary supplement to food also improves skin hydration. The use according to claim 1, where the dietary supplement to food also enhances the protective function of the skin. The use according to claim 1, where the ingredient containing kaftaric acid is a natural edible product, such as lettuce, chicory, dandelion, grapes, squeezed grapes or combinations thereof, or their extracts. The use according to claim 6, wherein the extract can be obtained from chicory plant tissue by solvent extraction, in particular by extraction with water or by extraction with an alcohol / water mixture, for example, by extraction with an ethanol / water mixture. The use according to claim 1, where the dietary supplement contains chicory or its extract in an amount of from about 0.1 g / l to 10 g / l, preferably from 0.5 g / l to 3 g / l. The use according to claim 1, where the dietary supplement contains chicory or its extract in a daily dose from 0.01 g to 100 g, preferably from 0.25 g to 10 g. The use according to claim 1, where the dietary supplement also contains at least one type of food-grade microorganisms, in particular probiotics in non-viable, viable or semi-active f�1. Косметическое применение эффективного количества по меньшей мере одного ингредиента, содержащего кафтаровую кислоту и/или ее производные, в качестве активного агента для приготовления пероральной биолог
