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In simple terms, copper peptides do not "peel" the skin like acids and they do not work like retinoids

"The natural antioxidant defenses in our body decline as we age, which leads to increased oxidative stress that causes melanocytes to be impaired and produce less melanin, contributing to the loss of hair pigment," Wizemann explains."A lack of antioxidant-rich foods, regular exercise and sleep as well as smoking, excessive stress and alcohol consumption all increase oxidative stress." Deficiencies in vitamins and minerals

Currently, a variety of antioxidant delivery systems have been developed to transport natural and synthetic antioxidants, antioxidant gases, genes, and other antioxidant compounds, thereby significantly expanding the scope of antioxidant delivery nanomaterials (194)

However, the "top-down" approach only works if you use a high-bioavailability format