PEN-221 is a Somatostatin receptor 2 (SSTR2)-targeting cytotoxic conjugate with an IC50 of 10 nM. PEN-221 is a conjugate consisting of microtubule-targeting agent DM1 linked to the C-terminal side chain of Tyr3-octreotate.
Myristoyl Pentapeptide-17 is a small peptide. It promotes the delivery of key ingredients, thus effectively promotes the growth of eyelashes, lengthens and thickens the eyelashes, fortifies the hair and noticeably intensifies eye expression.