Biolage Volume Boost Conditioner for Fine Hair Soy Protien Cruelty Free 13.5 Oz Biolage Volume boost Conditioner for Fine Hair 13.5 fl.oz. Voluminous tresses await with Biolage Volume Boost Conditioner for Fine Hair. Micro-filtered soy protein and polymers weightlessly moisturize hair, boosting volume and root lift. Hair regains its natural softness with an enviable shine. Details Benefits Weightlessly moisturizes hair without weighing it down Detangles and smooths hair Boosts volume and lifts roots Maintains fine hair's natural softness and shine Infused with micro-filtered soy protein and polymers for precise volume and moisture Paraben-free, mineral oil-free, colorant-free Key Ingredients Soy Protein (micro-filtered): Rich in amino acids, retains moisture, and prevents brittleness to preserve hydration and softness Polymers (micro-filtered): Add volume from root to lift, promoting natural-looking lift and fullness