Synthol (mouthwash)
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Synthol was developed by Maurice Bunau-Varilla, a prominent newspaper publisher of the early twentieth century, as a tonic. He promoted it as a cure-all tonic.[1]
Chloral hydrate based formula
The brand was acquired by GlaxoSmithKline.[2] Formerly the formula consisted of chloral hydrate, menthol, veratrol, resorcinol and salicylic acid. Sold mainly as a mouthwash in a distinctive black carton, it is also packaged as a gel and spray for the treatment of muscular pain(s).
