Coceth-25
AKA “Coceth-25 [INCI], Genapol C 250, N-Butyl-N'-benzolsulfonylthioharnstoff”
Surfactant
Ingredient Facts
Coceth-25
AKA: Coceth-25 [INCI], Genapol C 250, N-Butyl-N'-benzolsulfonylthioharnstoff
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Plant Oil
Not Clean
Alcohols, coco, ethoxylated (25 mol EO average molar ratio)
Formula
C11H16N2O2S2
Mol. Weight
272.4
CAS #
61791-13-7
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
A synthetic ethoxylated coconut oil compound developed in the 20th century as a non-ionic emulsifier and solubilizer for cosmetic formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR