Composition containing leukocyte extract for the whitening...

Details Composition containing leukocyte extract for the whitening... Composition containing leukocyte extract for the whitening...

2007-06-05

2007-06-05

Dodson, Shelley A. (Department: 1616)

Drug, bio-affecting and body treating compositions

Bleach for live hair or skin

C424S400000, C424S401000, C424S735000, C424S736000, C424S739000, C424S757000, C424S758000

Reexamination Certificate

active

10638221

ABSTRACT:
Cosmetic compositions intended for topical application to the skin for lightening and/or brightening the skin are provided. The subject compositions are characterized by the presence of leukocyte extract in combination with one or more secondary skin whitening or brightening agents. A preferred group of such agents includes bearberry, arbutin, rutin, ascorbyl glucoside, ascorbyl magnesium phosphate, hydroquinone, kojic acid or combinations thereof. Another group of preferred agents includes extracts of mulberry, lemon, orange, licorice, cucumber, cinnamon, cherry (fermentate), rosemary and/or derivatives thereof. It has been found that the combination of leukocyte extract with such agents possesses enhanced efficacy over similar preparations that do not contain leukocyte extract.

REFERENCES:
patent: 4818768 (1989-04-01), Nazzaro-Porro
patent: 5279834 (1994-01-01), Meybeck
patent: 5747006 (1998-05-01), Dornoff
patent: 5882658 (1999-03-01), Simon
patent: 5980904 (1999-11-01), Leverett
patent: 6077503 (2000-06-01), Dornoff
patent: 6123959 (2000-09-01), Jones
patent: R2 191 000 (2000-08-01), None

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