Is Fluorescent Brightener 28 vegan?
Fluorescent Brightener 28
Calcofluor White is a synthetic fluorescent brightening agent that binds to beta-1,3 and beta-1,4 polysaccharides in the cell walls of fungi, plants, and protozoa. It is widely used in biology for staining fungal and plant cell walls, and in medicine for the identification of fungi in biopsy specimens.
| Also known as | Calcofluor White, CFW, Fluorescent Brightener 28 |
|---|---|
| CAS number | 4193-55-9 |
| CI number | CI 40622 |
| Last reviewed | 3 June 2026 |
An ingredient is considered vegan if it contains no animal-derived components at any point in its production.
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