PEG-5 Tallow Amide
molecular structure · PubChem
AKA: Polyethylene Glycol Tallow Amide, PEG-5 Beef Fat Amide
Synthetic
Cleanser
Emulsifier
Not Clean
Amides, tallow, N-hydropoly(2-oxyethyl)- (5 mol EO average molar ratio)
CAS #
68155-24-8, 8051-61-4
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Fights Bacteria
Locks In Moisture
Wound Healing
Mixes Oil & Water
Traditional Use
A synthetic conditioning and emulsifying agent developed in the mid-20th century from animal-derived tallow and polyethylene glycol for contemporary cosmetic formulations.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
Dermal absorption: 100%. Source: CIR Safety Assessment (CIR Seq 772).
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️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