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No, individuals with Wilson disease or other copper metabolism disorders should avoid GHK-Cu entirely

(2015) reported the following in association with GHK-Cu use [5]: Tightening of skin Improves skin elasticity and firmness Improve skin density Reduced deep wrinkles and fine lines Reduced hyperpigmentation and sun damage GHK-Cu for Healing GHK-Cu has potential uses as a healing agent

Clinical evidence shows copper peptides increase collagen in more users (70%) than retinoic acid (40%), suggesting superior collagen-building effects

Youll likely notice a subtle difference in hair appearance and shine within 3-4 weeks of consistent daily use