Acetyl tetrapeptide-9

Basic Description

​ ​Structure and function​ ​:
Acetyl tetrapeptide-9 is a synthetic tetrapeptide with the sequence ​Ac-Pro-Lys-Lys-Lys-NH₂​ ​, works through the following mechanisms:
1. ​​Promote eyelash growth​ ​：Activate hair papilla cells, prolong the anagen phase, and increase the density and length of eyelashes.
2. ​Hair follicle repair ​：Enhance the microcirculation around the hair follicles and inhibit hair follicle atrophy caused by inflammatory factors (such as TNF-α).

​ ​Application Areas​ ​:
• ​​Cosmetics ​: Eyelash growth serum, scalp serum, eyebrow care products.
• ​In vitro studies ​：Study on hair follicle cell proliferation model and hair cycle regulation mechanism.

​ ​Three-letter sequence​

Ac-Pro-Lys-Lys-Lys-NH₂

​ ​Single letter sequence​

Ac-PKKK-NH₂

CAS Number

928006-50-2

Molecular formula

C₂₃H₄₁N₇O₆

Molecular weight

535.63

purity

>98%

form

Lyophilized powder

Storage conditions

Store at -20°C/-80°C away from light