Historical clue formulations

• Old sunscreen initialism — 2026-01-14
• Onetime sunscreen ingredient — 2021-01-03
• Onetime sunblock agent — 2013-04-07
• UV blocker — 2012-07-10
• Letters on beach lotion — 2010-08-25
• Sunblock ingredient — 2010-07-17
• Sunscreen additive — 2010-03-28
• Sunscreen label abbr. — 2001-12-09
• Sunscreen compound — 2001-03-11
• Sunscreen ingredient — 2000-03-05
• Sunscreen additive — 1999-04-20
• Sunscreen ingredient — 1996-05-07
• Coppertone ingredient — 1995-12-17
• Ultraviolet light protector — 1994-04-03
• Sunscreen ingredient — 1994-03-20
• Sunscreen ingredient — 1994-03-10