PEG-150
AKA “Polyethylene Glycol 150, Macrogol 150
Synthetic
Ingredient Facts
PEG-150
AKA: Polyethylene Glycol 150, Macrogol 150
Synthetic · Humectant · EWG: 4
Synthetic
Humectant
Solvent
Synthetic
Not Clean
A gentle humectant that draws moisture into skin and hair while helping blend ingredients together for a smooth, consistent texture.
CAS #
25322-68-3
Form
Liquid
See origin →
Functions
Binding
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
Polyethylene glycol (PEG) was first synthesized in the 1950s and subsequently developed with varying molecular weights. PEG-150 is used as a humectant and solvent in modern cosmetics to improve moisture retention and product texture.
Skin Types
all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Jojoba Oil PEG-150 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-150
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-150 Dibehenate
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-150 Dilaurate
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-150 Dioleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-150 Distearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-150 Lanolin
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-150 Laurate
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-150 Pentaerythrityl Tetrastearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-150 Stearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Jojoba Oil PEG-150 Esters
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PEG-150
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PEG-150 Distearate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PEG-150 Pentaerythrityl Tetrastearate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PEG-150 Stearate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
Safety Assessment of PEG-150 Pentaerythrityl Tetrastearate as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
Verified Feb 2026
Data: CosIng · EWG · CIR