Hydroxystearic Acid
AKA “12-Hydroxystearic acid, 12-HYDROXYOCTADECANOIC ACID, DL-12-Hydroxystearic acid, Cerit Fac 3, Hydrofol acid 200, Ceroxin GL, Barolub FTO, Stearic acid
Synthetic
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Ingredient Facts
Hydroxystearic acid
AKA: 12-Hydroxystearic acid, 12-HYDROXYOCTADECANOIC ACID, DL-12-Hydroxystearic acid, Cerit Fac 3, Hydrofol acid 200, Ceroxin GL, Barolub FTO
Synthetic · Cleanser | Emulsifier · EWG: 5
Plant-Derived
Emulsifier
Plant Oil
Synthetic
Clean
A naturally-derived cleanser that gently removes impurities while helping to blend water and oil-based ingredients together for smooth, stable formulas.
Solubility Soluble in alcohol, ether, chloroform; insoluble in water
Formula
C18H36O3
Mol. Weight
300.50
CAS #
106-14-9
Form
Liquid
Plant-Derived
Botanical-Derived Synthetic. Typically derived from coconut, palm kernel, or soybean oils as the primary starting material. Produced through catalytic hydrogenation of unsaturated fatty acids to create the saturated hydroxystearic acid compound.
Function
Cleanser | Emulsifier
Benefits
Removes Impurities
Emulsifier
Cleansing Surfactant
Mixes Oil & Water
Traditional Use
A synthetic derivative of stearic acid developed in early-to-mid 20th century cosmetic chemistry. Used as a thickening agent and emollient to improve the feel and stability of cosmetic creams and lotions.
Skin Types
all-skin-types
Best For
Target
Dryness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score5
CIR Safety Findings
all-shades-safe, Not a Sensitizer
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR