undefined 1
PEG-55 Stearate
AKA “Ethylene glycol monostearate, Glycol stearate, 111-60-4, 2-Hydroxyethyl octadecanoate, Monthybase, Monthyle, Parastarin, Ivorit, Sedetol, Glycol monostearate”
Ingredient
Ingredient Facts
Peg-55 stearate
AKA: Ethylene glycol monostearate, Glycol stearate, 111-60-4, 2-Hydroxyethyl octadecanoate, Monthybase, Monthyle, Parastarin, Ivorit, Sedetol, Glycol monostearate
Ingredient · Cleansing · EWG: 2
Plant-Derived
Cleanser
Plant Oil
Clean
Poly(oxy-1,2-ethanediyl), .alpha.-(1-oxooctadecyl)-.omega.-hydroxy- (55 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.
Removes Impurities
Locks In Moisture
Traditional Use
Combines polyethylene glycol with stearic acid, a saturated fatty acid present in animal and plant fats. Developed in the mid-20th century as a non-ionic emulsifier to modernize cosmetic formulations and replace older soap-based systems.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
2
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-55 Stearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-75 Propylene Glycol 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
→
PEG-55 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