To avoid skin that’s (horrors!) slick-shiny, wash with a cleanser that sops up grease, such as Olay Fresh Effects Shine, Shine Go Away Shine Minimizing cleanser ($7; at mass retailers).
Then apply mattifier to forehead, nose and chin; we like L’Oréal Paris Revitalift Miracle Blur Instant Skin Smoother finishing cream ($25; at mass retailers)