VOLUMISING SOLID COND 2.1OZ 2.1OZ. Benefits: Boosts body and bounce without weighing hair down. Makes hair look fuller, feel softer, and move with ease. Safe for color-treated hair. One shampoo and conditioner duo equals 8 liquid bottles. Key Ingredients: Biotin: Nourishes for thicker, fuller-looking hair. Vitamin B5: Moisturizes without heaviness. Caffeine: Perky strands without heavy residue. Research Results: Up to 10x more concentrated active ingredients*. *vs. typical liquid conditioner.