Methylheptyl Isostearate

AKA: Beantree, Nikkol gs-mhis, 209802-43-7, Methylheptyl isostearate [INCI], Isooctadecanoic acid, 1-methylheptyl ester
Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
OriginDerived from isostearic acid and methylheptyl alcohol, members of the synthetic ester chemical family. Produced through esterification, combining the alcohol and acid via catalytic condensation reaction.
Methylheptyl Isostearate is a cosmetic ingredient. Also known as Beantree. Rated low hazard by EWG.
Formula
C26H52O2
Mol. Weight
396.70
CAS #
209802-43-7
Form
Liquid
Skin Types
●all-skin-types
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Conditions Skin
Softens & Smooths
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Insufficient
Pregnancy
—
Regulatory Status
USAunder review
CANADA✔ permitted
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR