Historical clue formulations

• Spotted, in a way — 2024-10-26
• Benefiting from benzoyl peroxide, say — 2019-12-10
• Spotted at the prom, perhaps? — 2017-01-11
• Pimply — 2014-03-24
• Pimply — 2011-02-09
• Having a spotty situation to face? — 2010-07-02
• Pimply — 2009-04-14
• Pimply — 2009-03-08
• Having bad marks — 2005-03-11
• Benefiting from benzoyl peroxide — 2005-02-12
• Blemished — 2000-01-23