Love your fuller-looking locks after just one wash with this multitasking formula that cleanses, conditions, and detangles without weighing down your hair. Bain Volumateur aux Algues is one of the best volumizing shampoos for fine hair thanks to the infusion of vitamin-rich seaweed, wheat protein, and spiruline extracts for strength, body, and shine. With a delicious scent of peach and passion fruit.