Microdermabrasion

Details Microdermabrasion Microdermabrasion

2006-04-11

2006-04-11

Page, Thurman K. (Department: 1618)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

C424S069000, C424S070100

Reexamination Certificate

active

07025976

ABSTRACT:
The present invention relates to compositions and methods for removing an epidermal portion of the skin of a patient by microdermabrasion with a crystalline emulsion. The crystalline emulsion includes a mixture of coated crystals and a carrier. The coated crystals are formed by combining magnesium oxide, aluminum oxide or a combination of the two with methicone, adding a catalyst, such as ammonia, and mixing, then baking the resulting slurry mixture until the mixture is dry. The coated crystals are able to stay in the emulsion in a carrier.

REFERENCES:
patent: 4440745 (1984-04-01), Schmidt et al.
patent: 5560917 (1996-10-01), Cohen et al.
patent: 5800816 (1998-09-01), Brieva et al.

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