ghk-cu serum ingredients list Facial Beauty Cu Neck GHK-Cu Copper Peptides Face Serum:

Physiol Rev 85 : 495522 Date Y et al

Quickstart Highlights GHK-Cu is a naturally-occurring copper tripeptide glycyl-L-histidyl-L-lysine bound to copper(II) that the body produces and that declines with age [1] [2]

A role for proapoptotic BID in the DNA-damage response

Collagen-supporting compounds: Oral collagen peptides, vitamin C, and other collagen synthesis cofactors may enhance the skin benefits of glow peptide

A review of randomized trials found that L-tyrosine, a precursor to dopamine and norepinephrine, helped maintain attention and reaction time under acute stressors such as cold or sleep loss, with no clear benefit at rest