murphyCoco-Betaine
AKA: Coconut betaine, Cocamidopropyl betaine, Coconut acid betaine
All In: The Farm Collection
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Bathroom Sink Ritual Set
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Gentle Genius™ Barrier Care Replenishing Body Wash
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Doctor's Scrub Advanced
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Farmhouse Sink Duo
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Gentle Body Wash - Unscented
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Gentle Body Wash
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Ready, Set, Smooth
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Skin Perfecting Skincare Set
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The Body Exfoliator | Physical + Chemical
Nécessaire
The Body Exfoliator | Physical + Chemical
Nécessaire
The Bodycare Ritual
Kinship
The Bodycare Ritual - Vanilla
Kinship
The Skin Smoother Set
Acure
Synthetic
Cleanser
Skin Conditioner
Hair Care
Clean
OriginTypically derived from coconut oil, a plant-based fatty oil extracted from coconut palm fruit. Produced through amidation of coconut fatty acids with dimethylaminopropylamine.
Betaines, coco alkyldimethyl
CAS #
68424-94-2
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Coconut)
Functions
Antistatic
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.
Skin 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
Viscosity Controlling
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 a Skin Irritant
1 study / 1 not irritating (CIR 650)
Not a Sensitizer
1 study / 1 not sensitizing / plus 3 case reports (CIR 650)
Eye Irritant in Testing
1 study / 1 irritating (CIR 650)
Concentration Guide
Leave-on1.8–2%
Rinse-off0.53–9.8%
0%50%100%
CIR reported use · 2013 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR