& Vernon, G
This is only possible if the skin has the necessary amount of collagen
Currently, it is widely used as a bioactive additive in the food industry, for example, in the processing of flour-based products, meat, fish, dairy products, and infant foods, and it is also extensively applied in the health supplement industry
Hair users see initial new growth
Theres also some concern that copper peptides could lose their efficacy when layered with strong acids, vitamin C, or retinoids
Tests include blood glutathione, markers of oxidative damage, amino acid precursors, and genomics tests for glutathione enzymes