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and people who take statins

Additionally, experts recommend avoiding harsh actives (e.g., retinoids, alpha-hydroxy acids, salicylic acid, etc.), vitamin C, or any active exfoliants while using GHK-Cu peptides

"That is a much bigger effect than what we would initially anticipate." The research finds that during stress, the sympathetic nervous system over-activates and so depletes the stem cells that make pigment cells

If your concern is wrinkles, fine lines, or loss of firmness Collagen is more effective

Intranasal (IN) - The Metabolic Dampener: Prolonged IN GHK-Cu mimics canonical longevity interventions by suppressing nutrient-sensing and cellular growth networks