Historical clue formulations

• Eggshell, for one — 2026-01-30
• Lip gloss quality — 2025-07-08
• Luminance — 2023-06-29
• Matte's lack — 2022-01-12
• Glossy look — 2019-01-22
• Bright look — 2018-08-03
• Glossy finish — 2018-02-26
• Charlie of "Two and a Half Men" — 2017-10-31
• Luster — 2016-05-02
• Lamé feature — 2014-05-21
• Charlie formerly of "Two and a Half Men" — 2014-04-22
• Luster — 2013-10-11
• Luster — 2013-09-09
• Gloss — 2013-06-30
• Charlie of "Two and a Half Men" — 2011-05-02
• Charlie's luster — 2009-09-19
• Luster — 2009-07-12
• Unwashed hair may have it — 2009-07-08
• Luster — 2008-04-27
• Luster — 2007-04-30
• Gloss — 2006-05-25
• Radiance — 2003-08-17
• Radiance — 2002-10-05
• "Spin City" actor — 2001-06-17
• Radiance — 2001-05-05
• "The West Wing" star — 2001-03-06
• It may reflect well on you — 1999-08-22
• Luster — 1999-05-13
• Polish — 1998-08-23
• It might be a reflection on you — 1997-12-06
• Bishop of old TV — 1997-08-19
• Luster — 1997-07-21
• Oft-televised bishop — 1997-07-01
• "Platoon" actor — 1995-07-14
• Radiance — 1995-04-23
• Polish — 1994-08-14