• Get a private makeup lesson with makeup specialist Kimara Ahnert. Pay for the lesson, and get $125 worth of makeup of your choice for free. Through February 28. Kimara Ahnert, 1113 Madison Ave., nr. 83rd St. (212-452-4252); Mon.Sat. (107), Sun. (noon5).
• Find up to 50 percent off shoes and outerwear at Via Spiga. 487 Broadway, at Broome St. (212-219-3999); Mon.Sat. (99), Sun. (108).
• Men's clothes by Duncan Quinn rarely go on sale, but now ties, suits, and more are 50 percent off; a shirt is $150. Ongoing. 8 Spring St., nr. Elizabeth St. (212-226-7030); Mon.Sat. (noon8), Sun. (noon6).
• Fall must-haves from Yves Saint Laurent, including ready-to-wear, accessories, and shoes, are up to 40 percent off. Ongoing. 3 E. 57th St., nr. Fifth Ave. (212-980-2970); Mon.Fri. (107), Sat. (106), Sun. (noon5).
• Marc Jacobs, Lanvin, Christian Dior, Chloe, Alberta Ferretti, and more are up to 90 percent off at this sale hosted by Irene Albright. Through 1/18. 32 Cooper Sq., at 5th St. (212-253-5894); Tues.Sat. (116), Sun. (noon6).