Born in salons and perfected by science, each Nexxus system is crafted with proteins extracted from nature?s most precious ingredients. Nexxus uses advanced scientific methods to identify the protein needs of hair, and we create highly effective custom formulas. Full body has a new meaning. On top of creating more volume, Nexxus Diametress Volume Shampoo gentle cleanses and replenishes hair without weighing it down. When used with the rest of the Nexxus Diametress Regimen, it can even increase the diameter of each hair strand by up to 17%. Green Tea Extract and Elastin Protein are incorporated into this hair thickening shampoo, and the rich, nourishing formula helps reveal fuller looking, supple hairstyles with undeniable buoyancy. Nexxus recommends: With a thick formula boasting carefully selected ingredients, this volumizing shampoo for fine hair targets helps to reinvigorate and boost volume, priming it for the conditioning next steps. Use this Nexxus thickening shampoo as Step 1 in the Luscious Volume Collection. Step 1: Wash your hair with Nexxus Diametress Shampoo. Work into a lather and rinse thoroughly. Step 2: Smooth and press the creamy Nexxus Diametress Volume Conditioner onto wet hair and wait 3 minutes before rinsing. Step 3: Finish with Nexxus Diametress Conditioning Crème or Nexxus Lavish Body Gel Spray. Evenly distribute either product through damp hair. Comb and style.