Book one-on-one time with top beauty editors and your favorite cosmetic/fragrance brands for tips and makeovers, noon-7 p.m., at Saks Fifth Avenue, 611 Fifth Ave., Manhattan. The 20-minute session fee is $30, with all proceeds to benefit Look Good Feel Better; must register at lookgoodfeelbetter.org/register
UJA Federation of New York Hamptons Trunk Show features designer clothing (women's, men's and children's), jewelry, accessories and much more, 10 a.m.-8 p.m., at Bridgehampton Historical Society, 2368 Montauk Hwy. Tickets are $50; also available at ujafedny.org
Dior makeup artist Eileen Lei and team offer skincare advice and mini makeovers at Nordstrom Roosevelt Field; reservations suggested; 516-746-0011, ext. 1059
Celebrate National Girlfriends Day with your BFFs at Saks Fifth Avenue in Huntington. Enjoy complimentary makeovers, fall wardrobe styling advice and more. Guests can enter to win a cosmetic/fragrance goody bag ($250 value); 631-350-1203.
Meet designer Ramy Sharp for Champagne, and shop the Ramy Brook collection, 4-6 p.m., at Scoop Beach, 51 Newtown Lane, East Hampton; 631-329-8080.
Get a free personalized painting on your Hanae Mori fragrance bottle purchase, noon-6 p.m., Saturdays, at Bloomingdale's Roosevelt Field; 516-873-2814.
Now through Oct. 31
Buy one bottle of nail polish and get a free polish change (buy two or more to create nail art of your choice), noon.-9 p.m. every Wednesday, at C.O. Bigelow, 414 Sixth Ave., Manhattan; 212-533-2700.
J.A.C.H.S. Womens and mens spring/summer casualwear is 50-80 percent off retail, 10 a.m.-8 p.m., July 29-Aug. 4, at Chelsea Market, 75 Ninth Ave., Manhattan; 212-206-6306.