Methylheptyl Isostearate

Methylheptyl Isostearate 1
Methylheptyl Isostearate 2
Methylheptyl Isostearate 3
AKA: Beantree, Nikkol gs-mhis, 209802-43-7, Methylheptyl isostearate [INCI], Isooctadecanoic acid, 1-methylheptyl ester
Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
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
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
Traditional Use
Traditionally used in various Asian folk medicine systems, though specific historical cosmetic applications are not well-documented in mainstream historical records.
EWG
1
CIR
Insufficient
Pregnancy
—
CIR Safety Findings
all-shades-safe
Regulatory Status
USAunder review
CANADA✔ permitted
Regulatory Agencies
Skin Types
●all-skin-types
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR