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Mr. Miro asked for more useful posts. Here's something useful:
"We were fascinated to discover a 1943 ad for Listerine Antiseptic against 'infectious dandruff.' These days Listerine is advertised only for oral hygiene.
"The active ingredients of Listerine include essential oils (thymol, eucalyptol, menthol, methyl salicylate) with anti-fungal activity. Dermatologists have determined that dandruff can be caused by fungus (yeast), so it makes sense that attacking the fungus might offer relief.
"Other ingredients in dandruff shampoos also counter fungus. Selenium sulfide, zinc pyrithione or the anti-fungal drug ketoconazole (Nizoral) are all effective fungus fighters."
