Named dye form · Ingredient identity
Bis(4-dimethylaminophenyl)phenylmethylium hydroxide
This is the specific active name printed for Protazol. A dye family or a shared word in the trade name does not preserve that identity.
Look for: Bis(4-dimethylaminophenyl)phenylmethyliumhydroxid
Use the record
Read the exact ingredient line
Where it appears
Sera’s German Professional Protazol page lists this hydroxide form in its active section and gives a mass per 100 mL.
What cannot be inferred
A familiar dye class is not evidence that the product contains the chloride or oxalate form from a different label. Protazid uses a different named ingredient.
What to capture
Copy the whole chemical string, including the hydroxide suffix, and keep the German product page with its original product name.
Formulation references
Read the original
Sources and date
Sources consulted . A source date does not establish that every market, pack or revision uses the same wording.