Quaternium-15
Primary Function
Preservative
Safety Verdict
Avoid
Health Score
3/10
Eco Score
3/10
About Quaternium-15
A formaldehyde-releasing preservative considered among the more potent formaldehyde donors used in cosmetics.
Formulation Role & Skin Benefits
Quaternium-15 is selected for formulations requiring ensuring product safety, microbiological stability, and shelf life, delivering protecting consumers from bacterial contamination during daily use.
Best suited for essential in all water-based cosmetic formulations. Typical formulation context: any cosmetic product containing water or botanical extracts.
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