Meet the founders of Well People and try out their organic makeup and skin-care products at Henri Bendel. 712 Fifth Ave., nr. 56th St. (212-247-1100); 10–8.
Celebrate Halloween with Patricia Field. The stylists at Field’s store will dress both men and women in hundreds of costumes, from Lady Gaga to Alice in Wonderland to Marie Antoinette. More details and a list of extended Halloween hours are available at patriciafield.com. 302 Bowery, nr. Bleecker St. (212-966-4066).
Engaged couples can enjoy beverages and hors d’oeuvre during Macy’s registry event. Customers will receive a complimentary gift and assistance from gift-registry experts. E-mail Jacki Lauricella to RSVP. 151 W. 34th St., nr. Seventh Ave. (212-494-2707); 7 p.m.