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Commonly used for BPC-157 and other smaller-volume peptides

These citations are context, not medical advice, proof of eligibility, or a claim that every study applies to every patient

The copper peptide group showed statistically significant improvements in skin density (ultrasound), collagen content (histology), and visual wrinkle depth outcomes that exceeded both the vitamin C and tretinoin groups by week 12

CopperTheory covers both

Wound Biology: Explored for roles in re-epithelialization and matrix remodeling within preclinical models

Glutathione is a powerful antioxidant that helps reduce oxidative stress, lighten skin tone, and improve overall skin health