Krupitsky, E., Burakov, A.M., Romanova, T.N., et al
Product Facts Product Facts Ingredients: Purified (deionized) water, Aloe barbadensis (aloe vera) leaf gel, vegetable glycerin, Prunus amygdalus dulcis (sweet almond) oil, extra virgin Cocos nucifera (coconut) oil, Simmondsia chinensis (jojoba) seed oil, glyceryl stearate, cetyl alcohol, stearic acid, beeswax, Theobroma cacao (cocoa) seed butter, Setria glutathione [as L-glutathione (oxidized)], phenoxyethanol, d-panthenol (vitamin B-5), allantoin, vitamin E (as d-alpha tocopheryl acetate), soy lecithin, potassium hydroxide, xanthan gum, Origanum vulgare (oregano) leaf extract, Thymus vulgaris (thyme) leaf extract, Cinnamomum zeylanicum (cinnamon) bark extract, Rosmarinus officinalis (rosemary) leaf extract, Lavandula angustifolia (lavender) flower extract, Citrus medica limonum (lemon) peel extract, Mentha piperita (peppermint) leaf extract, Olea europaea (olive) leaf extract

As part of its anti-inflammatory effect, GHK-Cu is known to suppress free radicals, thromboxane formation, transforming growth factor beta-1, tumor necrosis factor-alpha, and protein glycation
Wang W, Zheng J, Zhou H, Liu Q, Jia L, Zhang X, et al
ProHealth states that its Certificate of Analysis is available on the product page
Research-context answer No human study has compared the two