Beauty ingredient · Surfactant
Cocamidopropyl betaine
A mild amphoteric surfactant made from coconut oil; impurities can cause contact allergy in a few people.
- Expert review pending
Concern level
A minor or very limited concern, such as being an ultra-processing marker only. The concern level sets how many points cocamidopropyl betaine costs on a product’s receipt.
What the evidence says
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Contact allergenStrong evidence
Rare contact allergy has been traced to manufacturing impurities (dimethylaminopropylamine, cocamidopropyl dimethylamine). [1]
Evidence tiers say how sure the evidence is, separately from how much it matters. About evidence tiers.
Popular products that list cocamidopropyl betaine
6 of the 17,000 most-scanned products in the US with a GoodSwap page list cocamidopropyl betaine.
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Toleriane Purifying Foaming Cleanser La Roche-Posay Score 99 out of 100 Excellent -
CeraVe CeraVe · 355 mL Score 92 out of 100 Excellent -
Original Beauty Bar Unilever Score 93 out of 100 Excellent -
Liquid Hand Soap Pump, Aquarium Series Softsoap · 7.5 fl oz Score 86 out of 100 Excellent -
Daily Facial Cleanser Cetaphil · 16 fl oz Score 93 out of 100 Excellent -
Axe (Phoenix: Crushed Mint And Rosemary Sent) Bodywash Axe Score 90 out of 100 Excellent
Names GoodSwap recognizes on labels (9)
- coco betaine
- lauryl betaine
- cocamidopropyl betaine
- lauryl hydroxysultaine
- lauramidopropyl betaine
- coco amidopropyl betaine
- babassuamidopropyl betaine
- cocamidopropyl hydroxysultaine
- cocamidopropyl betaine coconut derived
Sources
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Occupational contact allergy to cocamidopropyl betaine and its impurities
“Contact allergy to cocamidopropyl betaine has been attributed to its impurities dimethylaminopropylamine and cocamidopropyl dimethylamine.”
doi.org