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PEG-90 Stearate
AKA “Ethylene glycol monostearate, Glycol stearate, 111-60-4, 2-Hydroxyethyl octadecanoate, Monthybase, Monthyle, Parastarin, Ivorit, Sedetol, Glycol monostearate”
Surfactant
Ingredient Facts
Peg-90 stearate
AKA: Ethylene glycol monostearate, Glycol stearate, 111-60-4, 2-Hydroxyethyl octadecanoate, Monthybase, Monthyle, Parastarin, Ivorit, Sedetol, Glycol monostearate
Surfactant · Cleansing · EWG: 4
Plant-Derived
Cleanser
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-(1-oxooctadecyl)-.omega.-hydroxy- (90 mol EO average molar ratio)
Solubility POLYETHYLENE GLYCOL ESTERS AND ETHERS INCR THE WATER SOLUBILITY OF TYROTHRICIN.
Formula
C20H40O3
Mol. Weight
328.50
CAS #
9004-99-3
Form
Liquid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Cleansing Surfactant
Removes Impurities
Traditional Use
A synthetic emulsifier combining polyethylene glycol with stearic acid, a substance used in traditional soap-making and skincare for centuries. The PEG modification improves water solubility and emulsification in contemporary cosmetic products.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Final Report on the Safety Assessment of Glycol Stearate, Glycol Stearate SE, and Glycol Distearate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Final Report on the Safety Assessment of PEG-25 Propylene Glycol Stearate, PEG-75 Propylene Glycol, PEG-120 Propylene Glycol Stearate, PEG-10 Propylene Glycol, PEG-8 Propylene Glycol Cocoate, and PEG-
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Final Report on the Safety Assessment of Propylene Glycol Stearate and Propylene Glycol Stearate Self-Emulsifying
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Glycol Stearate and Glycol Stearate SE
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Glycol Stearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Glycol Stearate SE
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-120 Propylene Glycol Stearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-25 Propylene Glycol Stearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-75 Propylene Glycol Stearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-90 Stearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Propylene Glycol Stearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Propylene Glycol Stearate SE
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Glycol Stearate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-25 Propylene Glycol Stearate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Propylene Glycol Stearate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Propylene Glycol Stearate SE
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Final report on the safety assessment of PEG-25 propylene glycol stearate, PEG-75 propylene glycol stearate, PEG-120 propylene glycol stearate, PEG-10
Johnson W Jr, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2001
→
Glycol Stearate and Glycol Stearate SE.
Tucker R, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2023
→
Glycol Stearate and Glycol Stearate SE.
Tucker R, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2023
→
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR