• Meet Solange Knowles, Selita Ebanks, and Cassie as they unveil the latest hair-product line by Carol’s Daughter at Sephora. Starting at 9 a.m., the first 250 people who purchase a Monoi repairing gift set will have an opportunity to get their picture taken with them. 130 W. 34th St., nr. Broadway (212-629-9135).
• Get a complimentary facial with Acqua di Parma’s Italian resort skin-care collection at Barneys. 660 Madison Ave., nr. 61st St. (212-826-8900); noon–7. Call 212-833-2617 to make an appointment.
• One-of-a-kind samples are $30 to $50 at the Tracy Reese, Plenty, and Frock! sample sale. The Tracy Reese black toile tiered gown is $150 (originally $525), the Plenty by Tracy Reese floral inset strapless dress is $99 (originally $258), and the Frock! Laurisa dress is $99 (originally $228). Through 5/25. 264 W. 40th St., nr. Seventh Ave., eighth fl., Ste. 801; T–W (9–7:30).
• Beauty products, candles, and accessories are 60 to 85 percent off at the Tocca sample sale. 542 W. 22nd. St., nr. Tenth Ave.; T–Th (11:30–7).