Question: what is the best shampoo for dull hair?
Answer: Oribe Shampoo for Moisture and Control. ...  Bumble and Bumble Hairdresser's Invisible Oil Sulfate-Free Shampoo. ...  Davines Nourishing Shampoo. ...  Alterna Haircare Caviar Anti-Aging Smoothing Anti-Frizz Shampoo. ...  Olaplex No. ...  Kevin Murphy Smooth Again Wash.