Treat your hair to NIOXIN Definition Crème, an anti-frizz smoothing cream that works to refine the texture of thinning hair and provide sturdy hold. Formulated with LIGHTPLEX technology, its complex of polymers and conditioning agents provide a light, balanced styling finish with no heavy, rigid feeling. Expect hair with refined definition and texture with a soft, shiny finish. - K.N. Directions for use: Apply 1.5 in. of product into palm. Work product throughout clean damp hair for even distribution. Add more product as needed/desired and blow dry for optimal results.