Shenzhen BST Science & Technology Co., Ltd sell and export Acetyl Hexapeptide-38, 1400634-44-7, it  increases the supporting tissue beneath the skin and can be used for breast enhancement and buttocks enhancement.
 

INCI Name: Acetyl Hexapeptide-38   

Molecular formula: C30H56N10O9

Sequence:AC-Ser-Val-Val-Val-Arg-Thr

CAS: 1400634-44-7

Specification

Appearance: White or off-white powder

Purity (HPLC): NLT 95.0%

Acetic acid Content (HPLC): NMT15.0%

Water Content (K.F): NMT8.0%

TFA Content (HPLC): NMT0.3%

Peptide Content: NLT70.0%

Application

Facial redefining products, breast firming formulations, facial anti-aging products, make up, lip care products, anti-aging products for hands, etc. 

It can also be incorporated as a complementary ingredient in hydrating, firming and sun care products for specific body care areas (buttocks and breast) with a replenishing effect.