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PPG-4-Ceteth-5
AKA “hexadecan-1-ol;2-methyloxirane;oxirane, Triglyceryl beeswax, PPG-1-Ceteth-5, PPG-2-Ceteth-1, PPG-2-Ceteth-5, PPG-8-Ceteth-2, PPG-1-Ceteth-20, PPG-8-Ceteth-10, SCHEMBL285156”
Surfactant
Ingredient Facts
PPG-4-Ceteth-5
AKA: Hexadecan-1-ol;2-methyloxirane;oxirane, Triglyceryl beeswax, PPG-1-Ceteth-5, PPG-2-Ceteth-1, PPG-2-Ceteth-5, PPG-8-Ceteth-2, PPG-1-Ceteth-20, PPG-8-Ceteth-10, SCHEMBL285156
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Skin Conditioner
Plant Oil
Not Clean
Oxirane, methyl-, polymer with oxirane, hexadecyl ether
Formula
C21H44O3
Mol. Weight
344.60
CAS #
9087-53-0, 37311-01-6
Form
Liquid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Locks in moisture
Traditional Use
A synthetic polypropylene glycol ether surfactant created for modern cosmetics to serve as an emulsifier and humectant in skincare formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Bee / Insect
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Concentration Guide
Industry Max
Industry typically uses up to 10.0% in leave-on products (2 products reported). Source: CIR Safety Assessment (CIR Seq 642).
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR