[DOI] [PMC free article] [PubMed] [Google Scholar] 168.El-Readi M.Z., Eid S., Abdelghany A.A., Al-Amoudi H.S., Efferth T., Wink M
Published research on GHK-Cu and Acetyl Tetrapeptide-3 has looked at scalp health and the appearance of hair density
In both studies, no serious TEAEs, TEAEs leading to study withdrawal or deaths were reported
Skin firmness around the abdomen, thighs, and arms shows measurable improvement in most researchers
Though the individual ingredients have been studied, this combination has not been well researched in large clinical trials on humans
It could be beneficial in autoimmune diseases like psoriasis, rheumatoid arthritis, alopecia areata, multiple sclerosis, Systemic Lupus Erythematosus, and type 1 diabetes