ghk cu tolerance or diminishing returns does ghk-cu build lose effectiveness over time Repost from @skincareanarchy • Copper peptides GHK-Cu Dosage Guide: Typical Protocols,

Multiple clinical and laboratory studies have linked it to increased collagen and elastin production, improved wound healing, and visible improvements in firmness and fine lines (research summarised in Briefings in Functional Genomics, 2013, and the Journal of Cosmetic Dermatology, 2015)

Declarations Competing Interests The authors declare no competing interests

Clinical trials demonstrate that GHK-Cu skin serum can help reduce the effects of UV radiation

It may also help to use a gentle cleanser before applying GHK-Cu and follow it with a basic, noncomedogenic moisturizer

Neuroprotection : Enhancing mitochondrial function and reducing free-radical production under hypoxic conditions ( 9, 10 )