| abstract |
1533119 Skin lightening compositions UNILEVER Ltd 8 April 1976 [10 April 1975] 14825/75 Heading A5B Cosmetic compositions for lightening human skin following topical application thereto comprise a skin lightening amount of niacinamide or a precursor thereof which is capable of releasing niacinamide on the skin e.g. niacinamide ascorbate, and a sunburn or suntan protective amount of an ultra-violet absorbing sunscreen, together with a mutually compatible, cosmetically acceptable vehicle. The sunscreen may be a compound absorbing within the ultra-violet range 290-320 nm e.g. urocanic acid and/or 2-ethoxyethyl-p-methoxycinnamate, and/or a compound absorbing within the ultra-violet range 320-360 nm e.g. 2-hydroxy-4-octyloxybenzophenone. The compositions may be in the form of creams, lotions, ointments and aerosol products containing conventional excipients. |