Amazon.com: Neurogan GHK Cu (Copper Peptide) Neck & Face Serum 1,200mcg (1 oz bottle) : Beauty & Personal Care Are GHK Cu Injections Safe Enough? Alternatives Options Neurogan Health Oral Liposomal Copper GHK The Integrative Wellness Center GHK Cu is a powerful copper peptide that supports collagen production, skin and hair health, and tissue repair. It may help reduce fine lines, improve elasticity, and promote faster healing. Want to learn The ladies are raving about GHK but let's see if it actually makes a difference #lowtox #health #GHK #migraine #women GHK Cu Topical vs Injection Which is the Better Copper Peptide Form?