GHK-Cu is also thought to be a powerful antioxidant, which may support wound healing, reduce inflammation, and enhance skin regeneration
Benzyl alcohol at 0.9% concentration inhibits bacterial growth in an already-sterile solution
In my experience reviewing ingredient lists, I frequently see calming plant-derived ingredients included in copper peptide serums to balance the formula and provide additional antioxidant support
A disrupted barrier can result from over-cleansing, using harsh skincare products, nutritional deficiencies (especially in zinc, vitamin A, and omega-3 fatty acids), and gut imbalances
Adv Exp Med Biol (2003) 527:18390
For more info on dealing with allergic reactions, doctors can look at theBC Guidelines on Vitamin B12