AHK
cosmeticAHK is a research-use-only peptide. PeptideSource compares suppliers on purity, COAs, and price-per-mg.
Also known as: AHK Tripeptide-3, Tripeptide-3, Ala-His-Lys, AHK (Tripeptide-3)
AHK Tripeptide-3, known as Ala-His-Lys, is a peptide derived from the collagen breakdown process. It functions by enhancing cell communication and stimulating collagen synthesis, which is crucial for maintaining skin elasticity. Research on AHK began with a focus on its potential to promote hair growth and skin rejuvenation. Early studies investigated its role in cellular repair and tissue regeneration, highlighting its significance in cosmetic applications. Today, it is primarily studied for its effects on:
- Improving skin elasticity
- Promoting hair growth
- Enhancing wound healing
- Stimulating collagen production
Researchers are also looking at its applications in anti-aging skincare products.
PeptideSource editorial · Updated Jul 19, 2026
For research use only. PeptideSource does not sell peptides directly. Compare third-party supplier listings at your own discretion.
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Size | |
|---|---|
| Shop now | Shop |
| Product | AHK Tripeptide-3 Topical |
| Size | 200 mg |
| Price | $179.00 |
| Price/mg | $0.90/mg |
| Price change | 0% (10d) |
| Stock | In stock |
| Shipping | Same/next-day dispatch |
| Reviews | 1.0(4) |
| Purity | 99% |
| COA | — |
| Bulk discount | — |