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Being able to explain that GHK-Cu works WITH the skin's own signaling rather than forcing or suppressing it gives you a genuinely different conversation than "have you tried a stronger retinoid."
It is not approved for human or animal use and must not be incorporated into food, drugs, cosmetics, or diagnostic products
So, glutathione has been well known for over 30 years, but it has been more popular to the general population due to the advent of new technologies
Phua et al., 2020
SIRT1 is a ubiquitous mediator that responds to variations in systemic NAD production by carrying out metabolic actions in a tissue-dependent manner (Imai, 2009)
They include the usual bacteria and viruses, fungus and other microorganisms
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