Sucrose Acetate Isobutyrate


AKA: SAIB, Sucrose acetoisobutyrate, Saccharose acetate isobutyrate, SAIB 100S, Diacetate hexaisobutyrate, Isobutyric acid, Hexaester with sucrose diacetate, INS NO.444, Alpha-D-Glucopyranoside, 6-O-acetyl-1, 3, 4-tris-O-(2-methyl-1-oxopropyl)-beta-D-fructofuranosyl, 6-acetate 2, 4-tris(2-methylpropanoate)
Plant-Derived
Occlusive
Clean
Sucrose di(acetate) hexaisobutyrate
Formula
C40H62O19
Mol. Weight
846.90
CAS #
126-13-6
Form
Powder
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Plasticiser
Anti-Aging
Antioxidant
Anti-Inflammatory
Creates protective layer
Adds flexibility
Traditional Use
Developed in the mid-20th century as a synthetic ester derived from sucrose and fatty acids. Used in cosmetics as a film-former and binder to improve product texture and adherence, particularly in color cosmetics and hair care formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR