Take volume to the next dimension. This weightless shampoo thoroughly cleanses and plumps from root to tip for the ultimate go-big moment now, and healthier-looking hair every time you use it — thanks to Redensyl®. + provides instant fullness and lift+ contributes to a thicker look and feel+ cleans without drying or weighing down+ sets the stage for long-term volume+ for: fine, limp, or flat hair. Wet hair and massage from roots to ends. Rinse thoroughly and follow with 3D volume and thickening conditioner1000ml Amika 3D Volumizing and Thickening Shampoo 1000 ml