What it is
An amphoteric surfactant derived from coconut oil fatty acids.
What it does
Mild co-surfactant, foam booster, and viscosity enhancer in shampoos, body washes, and baby cleansers.
Why it’s a concern
Named ACDS Allergen of the Year 2004. The allergenic component is typically a synthesis impurity (amidoamine or DMAPA), not CAPB itself. Purified grades are better tolerated. Often reacts in formulas containing formaldehyde releasers or halogenated preservatives.
Also known as
CAPB
CAS numbers
61789-40-0
Commonly found in
shampoobody washbaby wash
Safer alternatives
- coco-glucoside
- decyl glucoside
- lauryl glucoside
Sources
- ACDS Allergen of the Year 2004