Beauty, Skincare Get 20% off your Benefit Cosmetics purchase today December 17th December 17, 2008March 31, 2023 by Style Chicks Benefit Cosmetics is offering great deals this week. For today only, take 20% off with code TWENTY08 at checkout, on any purchase. That would bring posietint down to $22.40. Post navigation Shoe Saturday L.A.M.B. ‘Rose’ BootieA treat for you: Get a free double sided lipgloss from Benefit Cosmetics