ghk-cu peptide hair growth evidence studies for Growth: What the Actually Shows Copper Peptide Hair Growth Serum

Skin Aging Concerns Fine lines, loss of elasticity, thinning skin, uneven texture

Do not apply to sensitive skin types or apply very sparingly (highly diluted) to avoid excess irritation

Shaving is unnecessary and can cause micro-abrasions that increase infection risk

Quick Answer GHK-Cu is a copper-binding tripeptide that acts as a powerful regenerative signal telling your skin to build collagen and elastin, heal faster, calm inflammation, and support fuller hair

Here's why that combination is interesting: rapamycin inhibits mTOR, the cellular growth pathway that, when chronically overactivated, drives cellular senescence in follicle stem cell niches