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PEG-8
AKA “Octaethylene glycol, Octanethyl glycol, HO-PEG8-OH, PED-diol (n=8)”
Humectant
Ingredient Facts
PEG-8
AKA: Octaethylene glycol, Octanethyl glycol, HO-PEG8-OH, PED-diol (n=8)
Humectant · Humectant · EWG: 2
Synthetic
Humectant
Solvent
Clean
.Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, (8 mol EO average molar ratio)
Formula
C16H34O9
Mol. Weight
370.43
CAS #
5117-19-1, 25322-68-3
Form
Liquid
See origin →
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
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
Low molecular weight polyethylene glycol synthesized in the mid-20th century. Developed as a humectant and penetration enhancer to help other ingredients absorb into skin and improve product texture.
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 of the Safety Assessment for PEG-75 Lanolin, PEG-20 Lanolin, PEG-27 Lanolin, PEG-30 Lanolin, PEG-40 Lanolin, PEG-50 Lanolin, PEG-60 Lanolin, and PEG-85 Lanolin (Amended by report in IJT 1
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
→
Adansonia Digitata Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Almond Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Apricot Kernel Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Argan Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Avocado Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Bertholletia Excelsa Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Bis-Cetyl/PEG-8 Cetyl PEG-8 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Bis-PEG-8 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Bis-PEG-8 PEG-8 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Borage Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Cetyl PEG-8 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Corn Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethicone PEG-8 Adipate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimethicone PEG-8 Benzoate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Grape Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hazel Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrogenated Castor Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Jojoba Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Lauryl PEG-8 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Lauryl PEG-8 PPG-8 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Linseed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Macadamia Ternifolia Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Olive Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Orbignya Oleifera Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Palm Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Passiflora Edulis Seed Oils PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Caprylic/Capric Glycerides
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Castor Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Cetyl Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Cocamine
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Dicocoate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Diisostearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Dilaurate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Dimethicone Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Dimethicone/Dimer Dilinoleic Acid Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Dimethicone/Polysorbate 20 Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Dioleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Distearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Ditallate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Hydrogenated Castor Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Hydrogenated Fish Glycerides
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Hydrogenated Tallow Amine
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Laurate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Methicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Methyl Ether Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 PEG-4 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 PPG-8 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Propylene Glycol Cocoate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Propylheptyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Soyamine
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Stearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Tallow Amide
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-80
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-80 Castor Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-80 Glyceryl Cocoate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-80 Hydrogenated Castor Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-80 Methyl Glucose Laurate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-80 Sorbitan Laurate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-80 Sorbitan Palmitate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-800
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-85 Lanolin
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Pumpkin Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Raspberry Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Safflower Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Schinziophyton Rautanenii Kernel Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sclerocarya Birrea Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sesame Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sodium Acryloyl Dimethyl Taurate/PEG-8 Diacrylate Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Soybean Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sunflower Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sweet Almond Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Watermelon Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Wheat Germ Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Argan Oil PEG-8 Esters
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Bis-PEG-8 Dimethicone
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Dimethicone PEG-8 Benzoate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Lauryl PEG-8 Dimethicone
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Olive Oil PEG-8 Esters
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Caprylic/Capric Glycerides
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Cetyl Dimethicone
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Dicocoate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Dilaurate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Dimethicone
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Distearate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Hydrogenated Castor Oil
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Laurate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Methicone
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Methyl Ether Dimethicone
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Propylene Glycol Cocoate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Propylheptyl Ether
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-8 Stearate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-80
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-80 Glyceryl Cocoate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
PEG-80 Sorbitan Laurate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Raspberry Seed Oil PEG-8 Esters
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Sunflower Seed Oil PEG-8 Esters
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Wheat Germ Oil PEG-8 Esters
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Clinical preliminary evaluation of PEG-80 sorbitan laurate (Novisol) versus sodium C14-16 olefin sulfonate & triclosan (Septisol) in deep-peeling Hett
Kass LG, Rullan PP, Brody HJ
Journal of the American Academy of Dermatology, 2020
→
Clinical preliminary evaluation of PEG-80 sorbitan laurate (Novisol) versus sodium C14-16 olefin sulfonate & triclosan (Septisol) in deep-peeling Hett
Kass LG, Rullan PP, Brody HJ
Journal of the American Academy of Dermatology, 2020
→
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR