Citric acid comes from citrus fruits and is an AHA
True skin hydration and luminosity come from a complex interplay of cellular processes, antioxidant protection, and optimal nutrient deliveryprocesses where glutathione, often called the body's "master antioxidant," plays a starring role
This is another area where GHK-Cu Copper Peptides excel
[3] It also delivers copper ions for lysyl oxidase (which cross-links new collagen) and superoxide dismutase (an antioxidant defense enzyme)
It plays a critical role in detoxification, neutralizing free radicals, and boosting immunity
Last reviewed: May 31, 2026 Last updated: May 31, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations