Abstract: The invention relates to a composition based on mineral concentrates and a method of preparing this composition. The composition comprises a powder or a mixture of powders containing at least one silicon derivative and at least one trace element other than silicon, as a mixture with a carrier and physiologically acceptable excipients. Application in cosmetology and dermatology for protecting the skin.

Abstract: The invention relates to a novel formulation of use in cosmetology and in dermatology which uses the storage capacity of the sebaceous glands. The formulation is of the spot-on type and comprises a lipophilic active principle chosen from vitamin A, vitamin E a lipophilic agent for combating free radicals, ceramides or sphingoid bases and steroid hormones, in combination with one or more unsaturated C4-C26 fatty acids and a liquid vehicle, having sebaceous tropism. Application to the localized topical administration of lipophilic active principles.

Abstract: The invention relates to a composition based on mineral concentrates. The composition comprises a powder or a mixture of powders containing, on the one hand, at least one silicon derivative and, on the other hand, at least one trace element other than silicon, as a mixture with a carrier and physiologically acceptable excipients. Application in cosmetology and dermatology for protecting the skin.