Myristoyl Pentapeptide-17
The lash-boosting peptide behind many brow and lash serums—often listed as Myristoyl Pentapeptide-17.
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✨ real molecule sketch
See this on a product label?
Lash peptide
Hair and lash products use INCI names too—often longer chemical names beside marketing names like Capixyl.
Structure (cute edition)
✨ real molecule sketch
Myristoyl Pentapeptide-17 is the product of the reaction of myristic acid and Pentapeptide-17.
INCI: MYRISTOYL PENTAPEPTIDE-17 · ~5 amino acids in our simplified view
Research & public records
Counts and links from public databases (PubMed, ClinicalTrials.gov, Wikidata, NIH drug nomenclature). Educational only — not medical advice.
ChEMBL: CHEMBL1159980
What brands say it does
Brands use this peptide to extend the growth phase of lashes and brows. It is a supporting cosmetic active—helpful in a consistent routine, not a prescription lash drug.
Where you’ll find it
Lash serums, brow gels, and dual lash-brow treatments (e.g. peptide lash boosters at Ulta/Sephora).
Other names you might see
Lash peptide
Similar peptides
Educational only—not medical advice. Hair loss has many causes; see a dermatologist or trichologist for persistent thinning.