La Prairie Patents Cosmetic with Nutrient Medium Phase
US Patent No. 8,518,422 B2; La Prairie Group AG, Zurich, has patented a cosmetic or dermatological preparation in the form of at least one gel, an O/W emulsion, a W/O/W emulsion, a W/O emulsion, a microemulsion, an ointment, a cream, a dusting powder, a foam, an aerosol preparation and/or a cosmetic stick. It is obtainable by combining at least one of collagen and a derivative thereof; at least one of chitosan and an acetyl derivative thereof with a degree of acetylation of up to about 50%; at least one of a glycosylaminoglycan and a derivative thereof; and at least 10 substances selected from amino acids, α-biotin, (NH4)6Mo7O24, adenine, AlCl3, biotin, CaCl2, calcium pantothenate, choline chloride, CoCl2, CrK(SO4)2, CuSO4, D-Ca pantothenate, EDTA.Na2, EDTA.Na3, Fe(NO3)3, FeSO4, folic acid, glucose, H2SeO3, HEPES, hypoxanthine, insulin human, KCl, linoleic acid, lipoic acid, MgCl2, MnCl2, MnSO4, myo-inositol, Na2HPO4, Na2SeO3, Na2SiO3, NaCl, NaH2PO4, NaHCO3, sodium pyruvate, sodium acetate, NH4VO3, NiCl2, nicotinamide, phenol red, polysorbate 80, putrescine, putrescine 2HCl, pyridoxine HCl, pyridoxal HCl, riboflavin, SnCl2, thiamine HCl, thymidine, vitamin B12 and ZnSO4.
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