The Stephen Knoll New York Collection is a new concept in hair care created by one of the most celebrated stylists in today's beauty industry. Each of the products was formulated so that every quality ingredient that touches your hair encompasses Stephen's concept of beauty and the most innovative technologies available today for hair care to make your hair feel, look, and behave beautifully. Stephen Knoll hair care products positively enhance your hair's beauty by repairing and re-invigorating strand-by-strand, leaving you with healthy hair from the inside out.