The present invention relates to the cosmetic or non-therapeutic use of an oral composition for reinforcing an individual's skin tolerance to topical administration of a retinoid compound, said oral composition comprising at least one carotenoid, at least one phytoestrogen and vitamin C. It also relates to a cosmetic or non-therapeutic process for increasing an individual's skin tolerance to topical administration of a retinoid compound, comprising at least one step of oral administration to said individualof an oral composition comprising at least one carotenoid, at least one phytoestrogen and vitamin C. Finally, it relates to a set for simultaneous, separate or sequential administration, said set comprising a first cosmetic composition for topical application comprising, in a physiologically acceptable medium, at least one effective amount of a retinoid compound, and a second composition for oral administration, for reinforcing the skin tolerance of the individual treated with the first composition, said second composition comprising at least one carotenoid, at least one phytoestrogen and vitamin C.
