Historical clue formulations

• B(r)est friend? — 2019-08-01
• Cleaner brand with the slogan "Hasn't scratched yet!" — 2019-03-07
• "Hasn't scratched yet!" product — 2016-04-08
• Cleanser brand that "hasn't scratched yet" — 2014-09-10
• Cleanser with the logo of a chick emerging from an egg — 2011-09-03
• Comet competitor — 2002-04-21
• Comet rival — 2000-10-15