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Just no

Some peptides are FDA-approved drugs

In double-blind, placebo-controlled trials, daily application of GHK-Cu cream at 3% concentration for 12 weeks produced a 70% increase in skin collagen thickness as measured by ultrasound imaging, a 40% increase in skin elasticity, and visible reduction in fine lines and wrinkles

These can be customized based on individual needs and health conditions

adults familiar with peptides as a health and wellness tool surveyed by longevity care platform Hone Health in May 2026, 83% support allowing licensed compounding pharmacies to produce popular peptides with a physician's prescription