Quaternium-15.
Also known as: Dowicil 200, Dowicil 75, N-(3-chloroallyl)hexaminium chloride, cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride
A quaternary ammonium salt used as a preservative in cosmetics and personal care products.
Global status.
How quaternium-15 is regulated in cosmetics around the world.
80% of countries with data ban or restrict this ingredient
Details
Max 0.2% as preservative (Annex V); must label 'contains formaldehyde' if >0.05%.
Details
Max 0.2% with formaldehyde labeling requirement.
Details
Restricted as formaldehyde releaser on Hotlist.
Details
Not on MHLW positive list of permitted preservatives.
Details
Permitted with restrictions; formaldehyde labeling required.
Details
Permitted with limits; free formaldehyde max 0.2%.
Details
Permitted with limits per ANVISA.
Details
Permitted with restrictions, aligned with EU.
The reason brands include it.
Cost-effective broad-spectrum preservative that prevents bacterial and fungal contamination in water-based formulations.
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products in our database
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brands use it
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product categories
Quaternium-15 in product types.
Click a category to see every product containing quaternium-15.
Common alternatives.
What Numbrrrz uses
Numbrrrz does not use quaternium-15. Every tube is organic coconut oil, organic beeswax, organic jojoba oil and vitamin E, plus organic essential oils or flavoring in the scented versions.

