C8-9 Isoparaffin
AKA “Isoparaffin C8-9
Ingredient
Ingredient Facts
C8-9 isoparaffin
AKA: Isoparaffin C8-9
Ingredient · Solvent · EWG: 1
Synthetic
Solvent
Clean
Alkanes, C8-9-iso
CAS #
246538-71-6
Form
Powder
See origin →
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
Refined petroleum distillate developed for cosmetic use in the 20th century. Used as a light, non-greasy emollient and solvent in skincare and color cosmetic products.
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
Verified Jun 2026
Data: CosIng · EWG · CIR