Volumizing compositions, including shampoos, which provide volume, body, fullness, movement and/or stylability benefits to the hair are disclosed. The compositions contain a waxy material selected from natural waxes of animal or plant origin, alkyl-modified dimethicones, copolymers of vinyl pyrrolidone and long chain alpha-olefins, synthetic wax/highly branched polyalpha olefin polymers and mixtures thereof. The compositions are substantially free of materials which form an oily coating on the hair, such as dimethicone gums, oils, triglycerides, petrolatums, unsaturated fatty acids, oils, Ci8-C28 mono- long chain alkyl quaternary ammonium materials, and combinations of those materials. Shampoo compositions and the method of providing volume to the hair, utilizing the defined waxy materials, are also disclosed.