GHK Cu: My secret weapon for skin, hair, and healing, I use it two ways topical cream for my face, and subQ injections 3x a week., It boosts collagen, tightens skin, helps hair grow, and even Medically Guided Hair Treatment Rumen Australia Cu Peptide Before and After: What to Expect for Skin and Hair Amazon.com: Copper Peptide Hair Serum with Copper Tripeptide 1 Dual Peptide Scalp Treatment plus Licorice Root Extract : Beauty & Personal Care Amazon.com: Copper Peptide Hair Serum with Copper Tripeptide 1 Dual Peptide Scalp Treatment plus Licorice Root Extract : Beauty & Personal Care GHK Cu the copper peptide that supports collagen production, improves skin elasticity, enhances wound healing, and promotes thicker, healthier hair., This isnt hype., Its signaling your body to