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MYRISTOYL PENTAPEPTIDE-17

Last update on May 15, 2026

Myristoyl Pentapeptide-17 is a synthetic lipo-peptide consisting of a myristic acid (C14 fatty acid) chain attached to a five-amino-acid peptide sequence. It is specifically designed to condition and strengthen eyelashes and eyebrows. This ingredient is widely used in premium eyelash serums, eyebrow growth treatments, mascaras, and eye contour products to promote the appearance of longer, thicker, and healthier-looking lashes and brows.

CAS Number: Chem/IUPAC Name: Myristoyl Pentapeptide-17 EINECS/ELINCS No: COSING REF No: 85279

Products with MYRISTOYL PENTAPEPTIDE-17

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MyriLash™ (Myristoyl Pentapeptide-17 / 1000ppm)

by Flychem

INCI: MYRISTOYL PENTAPEPTIDE-17
  • Sustainable option

SpecPed® MP 17P

by GfN-Selco

INCI: MYRISTOYL PENTAPEPTIDE-17

WKPep® Pro-Lash

by Shenzhen Winkey Technology

INCI: MYRISTOYL PENTAPEPTIDE-17 | BIOTINOYL TRIPEPTIDE-1 | MYRISTOYL HEXAPEPTIDE-16 | MYRISTOYL TETRAPEPTIDE-12

What is MYRISTOYL PENTAPEPTIDE-17 used for?

  • Hair conditioning (Eyelashes & Eyebrows): Helps improve the condition and appearance of lashes and brows. Frequently used in lash/ brow growth serums and conditioning treatments.
  • Skin conditioning: Supports the skin around the eye area. Common in eye contour creams and lash serums for a healthier look.
  • Strengthening: Helps reinforce hair fibers for visibly fuller and stronger lashes and brows.

Origin

Myristoyl Pentapeptide-17 is produced synthetically by attaching myristic acid to a specific pentapeptide sequence (Lys-Leu-Ala-Ser-Lys) through solid-phase peptide synthesis. The lipid (myristoyl) group improves skin penetration and efficacy. It is a high-purity biomimetic peptide commonly used in advanced anti-aging and lash/ brow care formulations.

What does MYRISTOYL PENTAPEPTIDE-17 do in a formulation?

SKIN CONDITIONING|
HAIR CONDITIONING

Safety Profile

Myristoyl Pentapeptide-17 is considered safe for cosmetic use with a low hazard rating. It is generally well-tolerated around the delicate eye area at typical use levels (0.001-0.1%). As with most peptides, it has very low irritation potential. Approved by the EU COSING database for hair conditioning and skin conditioning functions, particularly in leave-on eye area products.

MYRISTOYL PENTAPEPTIDE-17 alternatives

MYRISTOYL PENTAPEPTIDE-17 technical profile

PropertyValues
Boiling PointDecomposes
pH5.0 - 7.0
SolubilitySoluble in water and glycols
ViscosityLow

Formulations with MYRISTOYL PENTAPEPTIDE-17

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By Application

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