Home - J.Lex Salon & Brow Bar, LLC is located in Waltham, MA. We offer a variety of services, including: waxing, day spa services, hair color, perm & straighten, facials, makeup, eyelash extension, nails, manicure, skin care, consultations, haircut, massage, hair treatment, hair styling, hair care, threading, pedicure, hair removal, barber services.