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AHK-Cu is a tiny, naturally-inspired protein fragment bound to copper, designed specifically for skin and hair
Other metals which are present in the environment as industrial pollutants are not able to generate free radicals by shuttling between contiguous oxidation states but it is known that organisms exposed either in their natural environment or in toxicological experiments show signs of oxidative stress, and some metals, such as As, Cd and Hg, are also carcinogenic to humans
However, your skin will gradually return to its baseline tone over 3-6 months after stopping
The energy consumption and equipment complexity reduce its economic feasibility for low-value products
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