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Controlled human trials exist, but they're limited in size, focused mostly on topical cosmetic use, and usually last only a few weeks or months. That means a lot of the exciting claims, especially around gene expression, systemic repair, and anti-aging effects, haven't been confirmed in large-scale human studies

The information above is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment

Brand-name products like Ozempic and Wegovy come as pre-filled pens and don't require reconstitution

Heres what to do instead, if you want whiter skin

Learn more about Aloe Barbadensis Leaf Juice Copper Tripeptide-1 (GHK-Cu) is a skin repairing ingredient known for its ability to boost collagen, improve firmness, and support skin regeneration