CheckVegan

Is Tetryzoline vegetarian?

Tetryzoline

Vegetarian Vegetarian
Vegan Vegan

Tetryzoline (tetrahydrozoline) is a synthetic imidazoline derivative used as a topical vasoconstrictor in eye drops and nasal decongestants.

Also known as 2-Imidazoline, 2-(1,2,3,4-tetrahydro-1-naphthyl)-, 208-329-3, 33067-94-6, 522-48-5, Tetrahydrozoline, tetryzoline
INCI name Tetryzoline
CAS number 84-22-0
EC number 201-522-3
CosIng ID 28740
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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