The object of the present invention is the cosmetic use via an oral route of a combination of actives comprising at least one polyunsaturated fatty acid and vitamin D, for improving the hair quality. This combination of actives may further comprise, as an additional active, vitamin E, vitamin C, a carotenoid, zinc gluconate or combinations thereof. The combination of actives is preferably applied in a cosmetic composition intended for oral administration, such as a food supplement.
