This peptide reverses aging, And its been hiding in plain sight for decades., GHK Cu (Copper Peptide) is one of the most researched anti aging ingredients out there., Heres what it does:, Copper peptide questions we get asked all the time How often should you use it? Do you need to avoid the sun? If you're new, start once daily (evenings are great), Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with am+pm 5% B5+GHK Cu Hydrating Serum NARKO guywl copper peptide cream 2 ghk cu 5 niacinamide hydrates Temu DBH Anti Aging Serum for Firmness, Elasticity, and Environmental Protection Skincare Services Derma Aroma