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Arachideth-20
AKA “Arachidyl Alcohol Ethoxylate, Arachidyl Polyethylene Glycol Ether”
Synthetic
Ingredient Facts
Arachideth-20
AKA: Arachidyl Alcohol Ethoxylate, Arachidyl Polyethylene Glycol Ether
Synthetic · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Plant Oil
Synthetic
Clean
A gentle cleanser that helps remove dirt and oil while keeping formulas smooth and blended.
CAS #
26636-39-5
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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
Synthetic ethoxylated derivative of arachidyl alcohol, developed in the 20th century as a cosmetic emulsifier and thickening agent.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR