A new, more sustainable way to take care of your hair. New Bain 500ml refillable, available for the best-selling bains, in refillable bottle and eco-refill version. From today, the bottle can be refilled endlessly! The 500ml refillable bain bottle is made with 100% recycled plastic* and produced in a factory powered by 100% renewable energy, and can be refilled with the associated eco-refill, made with 82% less plastic.