Laneth-10
molecular structure · PubChem
AKA: PEG-10 Lanolin, Polyethylene glycol 10 lanolin ether
Allergen Warning
⚠️ Lanolin (Wool)
Synthetic
Cleanser
Emulsifier
Plant Oil
Not Clean
Alcohols, lanolin, ethoxylated
Effective at 5.04%
CAS #
61791-20-6
Form
Liquid
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Viscosity Controlling
Cleansing Surfactant
Emulsifier
Controls Viscosity
Lifts away dirt and oil
Mixes oil and water
Controls product thickness
Traditional Use
Developed in the mid-20th century as a synthetic emulsifier and surfactant derived from lanolin (wool fat). Part of the Laneth family of ethoxylated lanolin compounds created to improve the texture and stability of cosmetic formulations.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.08%
10.0%
0%14%
Reported use
CIR reported use: 3-8 | 0.3-4 | 0.1-10 | 0.08-2
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR