C13-14 Isoparaffin
AKA “Isoparaffin, mineral oil isomer
Emollient
Ingredient Facts
C13-14 isoparaffin
AKA: Mineral oil isomer
Emollient · Emollient · EWG: 1
Synthetic
Emollient
Solvent
Skin Conditioner
Clean
Alkanes, C13-14-iso
CAS #
246538-79-4
Form
Liquid
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Locks In Moisture
Traditional Use
Synthetic hydrocarbon developed in the 20th century as a petroleum-derived ingredient. Used in cosmetics as a light, volatile solvent and emollient for product spreadability and quick absorption.
Skin Types
all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Safety Assessment of Isoparaffins as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
C10-11 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C10-12 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C10-13 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C11-12 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C11-13 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C11-14 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C12-14 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C12-20 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C13-14 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C13-16 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C15-35 Isoparaffin/Isoalkylcycloalkanes
European Commission
EU Cosmetic Ingredient Database (CosIng)
C18-70 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C20-40 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C7-8 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C8-9 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C9-11 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C9-12 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C9-13 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C9-14 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C9-16 Isoparaffin
European Commission
EU Cosmetic Ingredient Database (CosIng)
C10-11 Isoparaffin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
C10-13 Isoparaffin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
C11-12 Isoparaffin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
C11-13 Isoparaffin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
C12-14 Isoparaffin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
C12-20 Isoparaffin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
C13-14 Isoparaffin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
C13-16 Isoparaffin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
C18-70 Isoparaffin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
C8-9 Isoparaffin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
C9-11 Isoparaffin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
C9-13 Isoparaffin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Contact dermatitis caused by polyacrylamide/C13-4 isoparaffin/laureth-7 mix in an emollient cream for atopic skin.
Jaulent C, Dereure O, Raison-Peyron N
Contact dermatitis, 2019
Verified Jun 2026
Data: CosIng · EWG · CIR