Methylhelptyl isostearate
AKA “Methylheptyl Isostearate”
Ingredient
Ingredient Facts
Methylhelptyl isostearate
AKA: Methylheptyl Isostearate
Ingredient · Emollient · EWG: 4
Plant-Derived
Emollient
Skin Conditioner
Plant Oil
Not Clean
Methylhelptyl isostearate is a cosmetic ingredient.
Family
N/A – While derived from plant-based oils, it's synthetically manufactured
CAS #
209802-43-7
See origin →
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
Skin Types
●all-skin-types
Best For
Dryness
EWG
4
CIR
—
Pregnancy
—
CIR Safety Findings
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG