No evidence of severe hormonal, cardiovascular, or hepatic adverse effects has been observed in available research data
That is the GHK-Cu mechanism doing what it is designed to do, it accelerates the bodys own renewal process rather than introducing an external chemical change
Ying HZ, Chen Q, Zhang WY, Zhang HH, Ma Y, Zhang SZ, et al
Studies have shown the ingredient can have beneficial effects on the skins barrier, hydration, and microbiota.26 In a small 2022 study, for example, the authors found that adding saccharide isomerate to a moisturizing formulation increased skin hydration and maintained it for longer after discontinuation than the ordinary moisturizers used as controls.27 Overall, Allies of Skin Copper Tripeptide & Ectoin Advanced Repair Serum is a product with several seemingly effective ingredients