Peptide Hair Therapy in Fairfax, VA Penis growth with peptides: What the evidence actually shows GHK cu is a naturally occurring peptide in the body. GHK cu has been shown to promote skin remodeling, wound healing and regeneration, and has prominent antioxidant and anti inflammatory effects. I INCREASE GIRTH INCREASE PLEASURE . . Another post as to why Girth is considered more important than Length when it comes to intercourse (actually both are relatively important, but usually girth Can human chorionic gonadotropin supplements enhance penile growth?