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The published human data is limited to topical skin applications and cosmetic endpoints
Unfortunately, that's not how biology works
When you have acne, your skin gets inflamed, which damages your skin cells and breaks down collagen
Glutathione deficiency has been implicated in conditions like Parkinsons disease and neuronal injury following strokes
Higher concentrations aren't necessarily better and may increase irritation risk without proportional benefits
At the follicle level, GHK-Cu appears to work through several parallel mechanisms that have nothing to do with blocking androgens: Dermal papilla stimulation
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