Hit the high notes with big hit, a volumizing shampoo that instantly boosts volume that lasts all day* with weightless moisture that'll send limp, lifeless hair home.* *based on a professional evaluation of 32 subjects. Who it's for - Fine-medium hair types (1-3a) Why it's special - This volume deserves an encore. big hit shampoo is packed with volume-enhancing ingredients to turn up the volume without drying or weighing hair down-in fact, big hit helps to add + retain moisture into strands for volume without the compromise. the main act? An instant boost of volume that lasts all day. - Volume that packs a performance: clinically proven for 2.3x more volume** - Iconic volume, the amika way: infused with caffeine to energize flat strands + send limp hair home. - Soft, touchable strands are IT: boosts volume without compromising on (weightless!) hydration thanks to moisturizing glycerin. **clinically tested when using big hit shampoo + conditioner together as a system. ALL of our shampoo's + conditioners are now clinically proven to be safe for color treated hair * ** *clinically proven **clinically tested when used as a system (our shampoos were tested as a system with its corresponding conditioner.) Ingredients Water/Eau/Aqua, Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Sodium Cocoyl Isethionate, Cocamidopropyl Hydroxysultaine, Phospholipids, Niacinamide, Panthenol, Caffeine, Biotin, Xylitol, Maltodextrin, Rosmarinus Officinalis (Rosemary) Extract, Syringa Vulgaris (Lilac) Extract, Mentha Piperita (Peppermint) Oil, Hippophae Rhamnoides (Sea Buckthorn) Fruit/Seed Oil, Glycerin, Coconut Acid, Ethylhexylglycerin, Butylene Glycol, Polyurethane-10, Polyquaternium-7, Polyquaternium-10, Polyquaternium-16, Zea Mays (Corn) Starch, Natto Gum, Tetrasodium Glutamate Diacetate, Lactic Acid, Tocopheryl Acetate, Chlorphenesin, Sodium Chloride, Sodium Phosphate, Sodium Isethionate, Sodium Hydroxide, Sodium Benzoate, Phenoxyethanol, Fragrance/Parfum, Benzyl Benzoate, Hydroxycitronellal, Limonene