Products that claim to mitigate, treat, or cure disease, or affect the structure and function of the body are considered PHARMACEUTICALS by the FDA. They are tested in clinical trials. Prescription creams must prove that their active ingredients penetrate the skin in high enough doses to have a physiological effect and produce results on a cellular level. Learn more here: https://masterpieceskinrestoration.com/blog/advantages-cosmeceutical-skin-care-products/