Myristyl tetrapeptide-12, a reaction product of myristyl acid and tetrapeptide-12, is a peptide that stimulates hair and eyelash growth and enhances the appearance of eyelashes and/or eyebrows. Myristoyl-tetrapeptide12 obviously activates keratin gene, promotes its expression, increases hair growth of eyelashes and hairy papillae, and also accelerates hair growth, which can be used in hair care products to thicken hair (see related literature)
