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A quaternary ammonium compound primarily used as an antimicrobial agent and preservative in cosmetic formulations.
Beneficial for
May aggravate
Safety summary
Can be irritating at higher concentrations; restricted in some regions due to potential for skin sensitization or toxicity.
CAS Number
104-74-5
1% line marker
This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.