Fashion hounds pile into these boutiques for the basics (foundation and concealer for a huge range of skin tones) and the far-out. Salespeople can offer expert advice -- many of them also work as professional makeup artists. Subway: C, E to Spring St. Other locations: 14 Christopher St., between 6th and 7th Aves., Greenwich Village, PHONE: 212/243-4150; Subway: 1, 9 to Christopher St./Sheridan Sq. 1 E. 22nd St., between 5th Ave. and Broadway, Flatiron District, PHONE: 212/677-6611; Subway: F, V, R, W to 23rd St. 202 W. 125th St., at Adam Clayton Blvd., Harlem, PHONE: 212/665-0676; Subway: A, B, C, D to 125th St.