Food use
Food-use source coverage is present in the current record.
The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.
C16-alkyltrimethylammonium chloride C18-alkyltrimethyammonium chloride is restricted in cosmetic products under Annex III of the EU Cosmetics Regulation (EC) 1223/2009.
RestrictedEU EC — restricted
Concern score
This score describes the ingredient's chemical identity — its hazard profile from the published classifications and regulatory status below — not the safety of any product it appears in. Ingredients we have no hazard signal for are labelled “Not assessed” rather than scored.
Concern score 70/100 (high) · high confidence.
Regional restrictions
Prevalence of Hexadecyl trimethyl ammonium chloride in our catalog (epa_cpdat).
Products
2,633
Brands
6
Typical roles
garnier
Garnier
ogx argan
OGX
3600542370196
Le Petit Olivier
le Petit Olivier
Batiste Original Droogshampoo
Batiste
OGX Brazilian Keratin Smooth & Sleek Shampoo
OGX
Original
Batiste
Batiste Cherry Droogshampoo
Batiste
Coconut milk
OGX
Aunt Jackie's Curl La La Defining Curl Custard
cien shampoo
cien
Spray ultra démêlant
Corinne de Farme
Oil Replacement Nutrition Extrême - Olive Mythique
Garnier, Ultra Doux
Colour dry shampoo brunettes
Batiste
Crema ricci
Adorn
avocado 1.minutes miracle conditioner
this is it
Coconut & Hibiscus Curl Enhancing Smoothie
Shea Moisture
Nature & care permanent colour chocolate
Santé Verte
Repair
Deliplus
Tresemme Balsam Keratin Smooth 400ml
UNILEVER NORGE AS
Dry Shampoo blush
Batiste
Batiste Nude Droogshampoo
Elvive oleo extraordinario shampoo
L'Oréal
Mascarilla Plex Repair
Deliplus
Ingredients that frequently appear alongside Hexadecyl trimethyl ammonium chloride in the catalog.
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Food use
Food-use source coverage is present in the current record.
The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.
Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
No graded sources yet for Hexadecyl trimethyl ammonium chloride. We publish evidence only once a source is linked and reviewed — this ingredient is in the catalog, but has not been assessed.
Restrictions first, then routine listings from published regulatory sources.
EUEC
Annex III of EU Cosmetics Regulation (EC) 1223/2009: substances which cosmetic products must not contain except subject to the restrictions laid down. Product types: (a) Rinse-off hair products (b) Leave-on hair products (c) Leave-on face products Maximum concentration: (a) 2,5% for the individual concentrarions or the sum of the individual concentrations of cetrimonium chloride and streartrimonium chloride (b) 1,0% for the individual concentrarions or the sum of the individual concentrations of cetrimonium chloride and streartrimonium chloride (c) 0,5% for the individual concentrarions or the sum of the individual concentrations of cetrimonium chloride and… Other conditions: For purposes other than inhibiting the development of microorganisms in the product. The purpose has to be apparent from the presentation of the product.