Methylheptyl Isostearate
AKA “Beantree, Nikkol gs-mhis, UNII-981F40Q9FF, Methylheptyl isostearate [INCI], Isooctadecanoic acid, 1-methylheptyl ester, RefChem:158229”
Synthetic
Ingredient Facts
Methylheptyl isostearate
AKA: Beantree, Nikkol gs-mhis, UNII-981F40Q9FF, Methylheptyl isostearate [INCI], Isooctadecanoic acid, 1-methylheptyl ester, RefChem:158229
Synthetic · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
A lightweight conditioning agent that helps smooth and soften hair and skin while creating a silky feel without heaviness.
Formula
C26H52O2
Mol. Weight
396.70
CAS #
209802-43-7
Form
Liquid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
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.
Skin Types
●all-skin-types
Take the Skin ID quiz to see if this matches your skinMelanin-Rich Skin
Suitable
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR