Ricinoleamide DEA

AKA: 40716-42-5, 9-Octadecenamide, 12-hydroxy-N, Ricinoleic diethanolamide, MACKAMIDE R, OLAMIDA RD, DEA-RICINOLEAMIDE, AMINOL CA-2, [R-(Z)]-12-hydroxy-N, N-bis(2-hydroxyethyl)-9-octadecenamide
Synthetic
Cleanser
Plant Oil
Not Clean
[R-(Z)]-12-Hydroxy-N,N-bis(2-hydroxyethyl)-9-octadecenamide
Formula
C22H43NO4
Mol. Weight
385.60
CAS #
40716-42-5
Form
Liquid
Functions
Antistatic
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Foam Boosting
Viscosity Controlling
Reduces Static
Cleansing Surfactant
Boosts Lather
Controls Viscosity
Enhances lather
Lifts away dirt and oil
Reduces flyaways
Controls product thickness
Traditional Use
A synthetic fatty acid amide derived from ricinoleic acid (from castor oil) and diethanolamine, developed in the mid-20th century as a conditioning and cleansing agent in shampoos and cosmetics.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
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: PubChem · CosIng · EWG · CIR