Cattier Sulfate-Free Volumizing Shampoo gently cleanses and nourishes for thicker hair by providing substance from the roots. Its volumizing complex (Abyssinian oil and phytosterols) coats and restructures fine hair to provide instant volume. Hair is flexible and light, visibly voluminous and denser. Tips Apply to damp hair and massage gently. Keep it for a few moments and rinse with plenty of warm water. Afterwards, apply the Cattier Volume Conditioner.