Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit Advanced GHK Cu Face Cream 2400mg 4% Firmer Skin Neurogan Neurogan Health Unlock the secret to ageless skin and cellular rejuvenation with GHK CU peptide! Often referred to as the "holy grail" of skincare, GHK CU is a naturally occurring copper peptide that works wonders GHK Cu (copper peptide) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum