Beheneth-2
molecular structure · PubChem
AKA: 24897-44-7, Nikkol BB-2, Beheneth-2 [INCI], Ethanol
Synthetic
Cleanser
Emulsifier
Clean
Beheneth-2 is the polyethylene glycol ether of Behenyl Alcohol
Effective at 2.5%
Formula
C26H54O3
Mol. Weight
414.70
CAS #
-
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Mixes Oil & Water
Traditional Use
A synthetic polyethylene glycol derivative of behenic acid developed in the 20th century as a modern emulsifier and surfactant for cosmetics, with no traditional use history.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-2
medical-approval
pregnancy-nursing-safe
all-shades-safe
Concentration Guide
0.0008%
5.0%
0%7%
Reported use
CIR reported use: 0.0008-5 | 0.003-0.6 | 0.03-3 | 0.02-0.3 | 0.5-5
Regulatory Agencies
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR