Quick Facts: GHK-Cu Peptide Definition: A naturally occurring copper-binding tripeptide composed of glycine, histidine, and lysine, complexed with a copper(II) ion
PMC 397455
Peptides obtained outside the medical system carry risks of contamination, mislabeling, and incorrect concentration that no dosage protocol can compensate for
For example, as a whole, peptide therapy grew in year-over-year popularity by 281% on Google, 459% on TikTok and 412% on Instagram as of early April of this year, according to Alyssa Williams Atkinson, category insights manager at Spate market research
In another trial, 41 women with mild to advanced photodamage applied GHK-Cu eye cream for three months and saw reduced lines and wrinkles, improved skin density, and increased skin thickness better than both placebo and vitamin K cream.3 Similarly, in a pilot study investigating copper tripeptide topicals for aged skin, experts found that they increased skin thickness and elasticity, improved hydration, and boosted collagen synthesis.3 Hair growth In a review from 2023, experts explained that GHK-Cu may promote hair growth in a few different ways
Copper peptides are studied for their role in supporting collagen and elastin, the proteins responsible for skin firmness and smoothness
