Use of lysine pyrrolidone carboxylate and/or of arginine pyrroli

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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514458, 514564, 514565, 514844, A61K 3140, A61K 31195

Patent

active

053526953

ABSTRACT:
The use of lysine pyrrolidone carboxylate and arginine pyrrolidone carboxylate are disclosed as antioxidants in a cosmetic composition combined with at least one phenolic derivative.

REFERENCES:
patent: 4839387 (1989-06-01), Poli
patent: 4981845 (1991-01-01), Pereira
Takeshi Yanagida, Patent Abstracts of Japan, vol. 10, No. 182, Jun. 25, 1986, C-356, 2238, entitled "Dermal External Drug".
M. Desrame et al., "L'acide pyrrolidone carboxylique et ses derives dans l'industrie comsetique", Parfums, Cosmetiques, Aromes, No. 93, Jun.-Jul. 1990, pp. 93-99.
Katsura Shimizu, Patent Abstracts of Japan, vol. 5, No. 136, Aug. 28, 1981, C-69, 808, entitled "Cosmetics".
Ahmad et al., The Antioxidant Activity of Amino Acids in Two Vegetable Oils, JAOCS. vol. 60(4) (1983) pp. 837-840.

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