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ongoing collagen maturation supports better skin adaptation to new body shape 6 to 12 months: Full collagen remodeling

Across the 1980s and 1990s, GHK-Cu was studied extensively in wound healing applications, where it consistently demonstrated the ability to accelerate skin repair, stimulate collagen and glycosaminoglycan synthesis, and reduce inflammation at the site of injury

The GHK-Cu hair growth before and after timeline looks like this: Weeks 1 to 6: Possible mild shedding

Research suggests it supports tissue regeneration, modulates inflammatory signaling, and encourages the formation of new blood vessels, making it a compound of interest in experimental models involving wounds, ulcers, and soft tissue recovery