Neurogan Health Introduces AHK CU + GHK CU Hair Serum Pro Neurogan Health Introduces AHK CU + GHK CU Hair Serum Pro Can You Use GHK Cu Peptides with Vitamin C Serum? Expert Guide Aging in reverse era continues Ive worked with @yourvytalhealth for years to optimize my hormones and overall wellness and now Im taking it a step further with medical grade GHK Cu copper 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