Nexxus Salon hair care Get color care without compromise with breakthrough new Nexxus Dualiste Dual-Benefit Shampoo and conditioner. The dual pump combines two formulas that are scientifically-developed and salon-proven to deliver the ultimate in color protection plus the customized benefits your hair needs. The Dual Pump Delivers: Anti-Breakage: Reduces breakage for strong vibrant hair (shampoo). Moisturizes and increases strength for radiant hair (Conditioner). Color Protection: Delivers 30% better color protection.