Jack Black's True Volume Thickening Shampoo is a sulfate-free shampoo that removes oils, dirt, and product buildup, while helping hair look and feel thicker. Benefits A bodybuilding blend of botanicals and a proprietary thickening complex called Expansion Technology helps hair follicles look healthy and full. Features ingredients that help strength and add volume to hair; fortify and bulk-up thinning hair strands. Dermatologist Tested Cruelty Free Formulated Without Sulfates Parabens Fragrances Colorants Alcohol Key Ingredients Creatine: An amino acid that helps to strengthen and add volume to hair. Wheat Protein: Fortifies and bulks-up thinning hair strands. White Lupine Protein: Rich in vitamins, minerals and peptides to help maintain a healthy scalp. Tea Tree Leaf Oil: Antioxidant that helps soothe. Lavender: An aromatic essential oil known for its deodorizing and soothing properties. Sage Leaf Extract: Provides cleansing and soothing benefits. Nettle Leaf Extract: Helps to soothe skin and create a healthy-looking sheen. Sunflower Seed Oil: Helps replenish hydration and soothe skin. Basil: Loaded with antioxidants and nutrients, basil is well known for antioxidant properties.