Description
Pal‑AHK is a lipopeptide that combines a palmitoyl (fatty acid) group with the AHK tripeptide (alanine‑histidine‑lysine). The addition of the palmitoyl moiety increases the peptide’s ability to penetrate the lipid layers of topical formulations, making it better suited for skin and tissue applications compared to unmodified AHK. This modification is often used in cosmetic and topical peptide development to enhance effectiveness in delivering active sequences into the skin’s outer layers.
AHK tripeptide has been researched for its potential antioxidant properties, support for extracellular matrix components, and influence on dermal fibroblast activity, which are cells involved in structural protein production. The palmitoylated form (Pal‑AHK) may exhibit similar actions with improved topical delivery.
Chemical Makeup
Molecular formula: C21H43N5O5
Molecular weight: 429.6 g/mol
Other known titles: Palmitoyl‑AHK, Pal‑Ala‑His‑Lys (corepeptides.com)
Research and Clinical Studies
Pal‑AHK and Extracellular Matrix
Some research in vitro suggests that palmitoylated lipopeptides like Pal‑AHK may influence the production of key structural proteins such as collagen, elastin, and glycosaminoglycans in skin cell models. These proteins are essential for maintaining skin integrity, elasticity, and hydration. Enhanced collagen and elastin production in topical application models is proposed to potentially support improved skin texture and resilience.
Pal‑AHK and Antioxidant Action
Hydrophobic lipopeptides may have entry advantages into lipid‑rich environments of cell membranes, enabling them to interact with oxidative processes at the cellular level. This proposed mechanism is often explored in topical formulations intended to reduce oxidative stress in skin tissues.
Pal‑AHK in Cosmetic Skin Models
In a few controlled trials (often formulation‑specific), palmitoylated peptides have been linked to visible improvements in the appearance of photoaged skin, reductions in fine lines, and enhanced dermal matrix organization — usually compared to vehicle formulations without the active peptide. These results are reported in experimental models and may vary based on concentration, formulation, and application regimen.
Important Notice
Pal‑AHK peptide is available for research and laboratory purposes only. Please review and adhere to the site’s Terms and Conditions before ordering.








