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Arginine

Arginine, a naturally occurring amino acid, is an essential building block of the body’s structural protein, collagen. In skin care products, Arginine is used as a skin-conditioning ingredient to help calm skin’s appearance.


Arginine - Peter Thomas Roth Skin Care Ingredient Glossary

Peter Thomas Roth products with arginine:

Anti-Aging Cleansing Gel
Max Complexion Correction Pads