Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum Before and after begins with consistency. Our 10% GHK Cu formula is engineered for deep absorption to support scalp health and visible density. Microneedling creates micro injuries in your scalp., Those injuries attract growth factors. Stimulate collagen. Stimulate elastin. Wake up hair follicles., Works better combined with PRP, exosomes, or Ghk Cu Peptide Injection IV Vitamin Therapy Microneedling for Hair Growth: GHK CU Benefits