Abstract: The cosmetic or non-therapeutic use of an oral composition for reinforcing an individual's skin tolerance to topical administration of a retinoid compound, the oral composition having at least one carotenoid, at least one phytoestrogen and vitamin C. A cosmetic or non-therapeutic process for increasing an individual's skin tolerance to topical administration of a retinoid compound, having at least one step of oral administration to the individual of an oral composition having at least one carotenoid, at least one phytoestrogen and vitamin C. A set for simultaneous, separate or sequential administration, the set having a first cosmetic composition for topical application having, 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, the second composition having at least one carotenoid, at least one phytoestrogen and vitamin C.

Abstract: The present invention relates to the use of a combination (i) of at least one carotenoid, (ii) of at least one phytooestrogen, and (iii) of vitamin C, as an active agent for moisturizing the skin, for the preparation of a cosmetic composition that is suitable for orally administering a daily dose of from 1 to 25 mg of the said carotenoid, from 10 to 300 mg of a phytooestrogen and from 10 to 1000 mg of vitamin C.

Abstract: The present invention relates to the cosmetic use, by the oral route, of a combination of lycopene, of vitamin C, of vitamin E and of at least one polyphenol compound derived from pine bark as active ingredient intended for maintaining and/or restoring the biomechanical properties of keratinous materials, and notably of the skin.

Abstract: The present invention relates to the cosmetic oral and/or parenteral use of glucosamine as an active agent for preventing and/or treating the cutaneous signs of ageing, optionally in combination with at least one polyphenol compound. The present invention also relates to a composition for oral and/or parenteral administration comprising, as active agent, the combination of glucosamine and of at least one polyphenol compound derived from pine bark.

Abstract: The present invention provides the use of medium chain glyceride(s) as an active ingredient for the preparation of a composition for oral and/or parenteral absorption and intended to prevent and/or treat dry and/or delicate keratinous substances.