Historical clue formulations

• Flavoring in Kool cigarettes — 2017-01-25
• Cigarette variety — 2015-04-22
• Tiger Balm ingredient — 2010-12-11
• 18-Across ingredient — 2009-11-09
• Vicks VapoRub ingredient — 1998-07-01
• Cough drop ingredient — 1997-03-31
• Smoker's choice — 1996-03-04