Say “hai” to Skin Biology 7% GHK-Cu Accelerant ($70 for 1,000 mgs), a super concentrated solution strictly intended to make things pretty mix into other skincare for an added copper peptide boost.
Is 7% a lot? YES. For reference, the highest concentration in a Skin Biology serum/lotion is 3%, and NIOD CAIS (Copper Amino Isolate Serum) is 2% (and used to go up to 5%, but CAIS 5% appears discontinued). Skin Biology warns of irritation if the concentration is too high.
I tried Skin Biology as a potential replacement for my beloved (blue-loved?) but pricey CAIS (reviewed here). Skin Biology’s products are a better value in terms of both per-ml cost and the “free samples,” which–woohoo!–consist of full-size or deluxe-size products worth about $20 each. Continue reading “Blue Me Away: Skin Biology 7% GHK-Cu Accelerant Review”