C13-15 Alkane
AKA “C13-15 Alkane
Synthetic
Ingredient Facts
C13-15 alkane
Synthetic · Emollient · EWG: 3
Synthetic
Emollient
Solvent
Skin Conditioner
Synthetic
Clean
A lightweight solvent that helps dissolve and blend other ingredients evenly throughout the formula, ensuring a smooth, consistent texture.
CAS #
64742-46-7
Form
Liquid
See origin →
Functions
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
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.
Dissolves Ingredients
Dissolves other ingredients
Traditional Use
A synthetic hydrocarbon developed in the mid-to-late 20th century as a volatile silicone alternative. Used as an emollient and solvent in cosmetics to provide light texture and quick absorption.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
3
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
ewg-3
all-shades-safe
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Verified Feb 2026
Data: CosIng · EWG · CIR