VECTOR FOR ACTIVE THERAPEUTIC (S) OR COSMETIC (S) PRINCIPLE (S) FOR EXTERNAL USE AND THERAPEUTIC OR COSMETIC COMPOSITION COMPRISING SUCH A VECTOR.

摘要

The subject of the present invention is a vector for at least one therapeutic or cosmetic active ingredient to be applied externally to a biological organ or tissue, this vector being of the particulate polymer type, which is porous, biocompatible and endowed with adsorption properties. reversible or not of said active ingredient; it is characterized in that it comprises biocompatible molecules grafted on the surface of said particulate polymer, these molecules having a physical and / or chemical affinity for said organ or biological tissue. BR/ It also relates to a process for preparing such a vector and a therapeutic or cosmetic composition for external use comprising this vector. / P