Copper is an essential trace mineral involved in: Collagen cross-linking Angiogenesis Energy metabolism Immune function Copper enhances GHKs ability to stimulate healing and repair , something non-copper peptides lack
Standard glutathione capsules and powders often have very low bioavailability
LivOn Labs Lypo-Spheric Glutathione 30 Packet Box
Neglecting sun protection Copper peptides provide zero UV protection
Reported Skin Irritation and Allergic Reactions to GHK-Cu Topical products can cause irritation, dermatitis, or allergic reactions in sensitive individuals, especially when combined with acids, retinoids, adhesives, dressings, or other active skin-care ingredients
More common with poor injection technique