A gentle, nourishing shampoo. Bring the salon sleek feeling home with Umberto Giannini’s Salon Smooth Shampoo. The nourishing shampoo gently cleanses the hair to remove grime and product build-up that can leave the hair looking dull, leaving it looking soft, shiny, and sleek. The shampoo has been formulated with avocado oil, rich in vitamins, minerals and fatty acids to lock in moisture, add shine, and improves manageability. Vegan - Cruelty free. Achieve salon-worthy locks in your own home with the Umberto Giannini Salon Smooth Shampoo. Enriched with avocado oil, the formula is rich in vitamins, minerals and fatty acids, helping to lock in moisture and boast a high shine finish. The shampoo effectively cleanses to remove impurities and build-up while leaving your hair feeling silky-soft and replenished.