Myristoyl Tetrapeptide-12

Product Overview

Myristoyl Tetrapeptide‑12 (Myr‑Lys‑Ala‑Lys‑Ala‑NH₂) is a synthetic cosmetic peptide known to stimulate hair follicle activity through activation of the TGF‑β/SMAD pathway—particularly SMAD2/SMAD3—promoting eyelash and eyebrow growth, improving keratinocyte proliferation, and enhancing hair firmness, elasticity, and skin thickness.

Product Usage

• Incorporated into eyelash and eyebrow serums and treatments to promote growth and thickness.
• Added to cosmetic formulations aimed at enhancing firmness, elasticity, and skin thickness along lash/brow lines.
• Used in R&D and cosmetic peptide blends for hair-growth-focused skincare, such as Jan Marini's eye and lash boosters.

Product Ingredients

• Myristoyl Tetrapeptide‑12 (active peptide)
• Typical formulation carriers (e.g., water, glycerol, panthenol) depend on final product—e.g., lash serums include water, glycerol, panthenol alongside the peptide.

Product Specifications

• Appearance and Color: white to off‑white powder.
• CAS Number: 959610‑24‑3.
• Molecular Formula: C₃₂H₆₃N₇O₅.
• Solubility: water‑soluble.
• Storage:Under inert gas (N₂ or Ar) at 2–8 °C.Also stored at −20 °C (some suppliers): stable for 24 months; stock solutions may be kept at −80 °C for up to 6 months and −20 °C for 1 month sealed.