murphyCocamidopropylamine Oxide
molecular structure · PubChem
AKA: Coconut acid dimethylamino oxide, CDAO, Cocamidopropyl dimethylamine oxide
Synthetic
Cleanser
Skin Conditioner
Hair Care
Clean
OriginPlant-Derived
Amides, coco, N-[3-(dimethylamino)propyl], N-oxides
CAS #
68155-09-9
Form
Powder
State
Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Coconut)
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Foam Boosting
Hydrotrope
Removes Impurities
Conditions Hair
Cleansing Surfactant
Boosts Lather
Locks In Moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not Phototoxic
CIR Panel statement found no phototoxicity in the CIR safety assessment (CIR 480)
Not a Sensitizer
4 studies / 4 not sensitizing (CIR 258 and 480)
Eye Irritant in Testing
1 study / 1 irritating / reactions severe (CIR 480)
Mixed Skin Irritation Results
4 studies / 3 irritating / 1 mixed / reactions slight to moderate (CIR 258 and 480)
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR