Skin and hair restoration by natural amino acid peptide...

Details Skin and hair restoration by natural amino acid peptide... Skin and hair restoration by natural amino acid peptide...

2008-07-30

2009-08-11

Sullivan, Daniel M (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C562S440000

Reexamination Certificate

active

07572933

ABSTRACT:
This invention relates to certain skin and hair care agents of formula (I), derived from natural amino acids and peptides. These agents provide multi-functional treatment of enzyme-related topical problems, for example, darkened skin including age spots, circles around eyes and stretch marks; skin conditions related to acne including excess facial oil and facial pore size; premature hair aging including hair loss and graying; inflammation including intra-cellular and extra-cellular inflammation; skin aging including wrinkles and fine lines; loss of collagen including thinning skin and loss of skin pliability; malfunction of tyrosinase group of enzymes; malfunction of matrix metalloprotease group of enzymes; and combinations thereof:Wherein,R, R′, and R″=any substituent(s); andM=H, Li, Na, K, Ca, Mg, Zn, Mn, Cu, Fe, Co, Mo, V, Cr, Ammonium, Alkyl ammonium, and Nitrogen Heterocyclic ammonium.

REFERENCES:
Sheehan et al. Journal of the American Chemical Soc. 1962, v84, p. 2417.

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