topics / skin
Tagged skin.
- 5/10 · Early GHK-Cu (Copper Peptide): What the Evidence Actually Shows GHK-Cu is a copper-binding peptide with small, mostly cosmetic-industry skin trials, lots of lab data, and no large independent human RCTs.
- 6/10 · Preliminary Glutathione Glutathione is the body's main intracellular antioxidant tripeptide. Oral dosing reliably raises body stores in humans, but the popular IV skin-lightening, anti-aging, and performance claims are unproven — and the injectable cosmetic market carries the real risk.