C10-11 Isoparaffin
molecular structure · PubChem
AKA: Hydrocarbon, Mineral oil fraction
Synthetic
Solvent
Clean
Alkanes, C10-11-iso
CAS #
246538-75-0
Form
Powder
Functions
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Viscosity Controlling
Dissolves Ingredients
Controls Viscosity
Dissolves other ingredients
Controls product thickness
Traditional Use
Synthetic hydrocarbon developed in the 20th century. Used as a lightweight, non-comedogenic emollient in modern cosmetics to improve spreadability and skin feel.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not an Irritant
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR