American Contact Dermatitis Society (peer-reviewed systematic review) classifies Cocamidopropyl Betaine as Allergen of the Year 2004. This identifies a hazard and does not by itself establish the risk from this finished product. Risk depends on concentration, route, frequency, dilution, rinsing, residue and use.
Reduced the formula score by 4.5 of 50 points, weighted by its position in the published ingredient list.
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