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glutathione

Powerful, non-enzymatic antioxidant which naturally occurs in the skin where it serves to help defend it against the visible effects of environmental damage. The gradual decline of the natural supply of glutathione in the body is believed to be a key marker of many outward signs of aging.

Glutathione is a tripeptide comprised of three amino acids (cysteineglutamic acid, and glycine), which work in unison to offer skin-restoring and brightening benefits when used in topical products.

References for this information: 
Clinical Cosmetic Investigative Dermatology, October 2014, pages 267-274
DermatoEndocrinology, July 2012, pages 308-319
Journal of Dermatologic Science, May 2010, pages 85-90
The Dermatologist, October 2011, volume 19, issue 10

See antioxidant

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