Compositions and methods for delivery of skin cosmeceuticals

Details Compositions and methods for delivery of skin cosmeceuticals Compositions and methods for delivery of skin cosmeceuticals

2006-01-10

2006-01-10

Page, Thurman K. (Department: 1615)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

C514S844000, C514S846000, C424S078030

Reexamination Certificate

active

06984391

ABSTRACT:
New cosmetic compositions are disclosed that are effective both as moisturizers and skin sloughing agents. The compositions contain neutralized weak organic acids that when applied over time to the skin in appropriate formulations will gradually increase in acidity to pH 5.5 or less, for example about pH 4.5, without causing skin irritation while exhibiting increasing activity in skin renewal effects.

REFERENCES:
patent: 5001156 (1991-03-01), Philippe et al.
patent: 5073372 (1991-12-01), Turner et al.
patent: 5997887 (1999-12-01), Ha et al.
Berardesca, E., et al., “Differences in stratum corneum pH . . . ” Brit. J. Dermat. 139: 855-857 (19998).
Kligman, A., in Dry Skin and Moisturizers, Ed. Loden and Maibach, CRC Press, Boca Raton, 2000, p. 8.
Mauro, T. et al., “Barrier recovery is impeded at neutral . . . ” Arch Dermatol Res 290: 215-222 (1998).

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