Mousse Redefined: An elegant styling whip that weightlessly pushes hair to new heights. Visibly thickens strands, creating luxurious styles with unbelievable drama, long-lasting fullness, softness and shine. Key Ingredients: BLEU Molecule Complex for strength and shine Biotin protects hair and provides moisture for fine hair Styling Resins deliver all-day-long style memory | R+Co Bleu Highest Volumizing Mousse, 6. 3 oz | Dermstore