Kerastase Bain Magistral 250ml Kerastase $46.00 Variants Default Title - $46.00 Quantity Add to Cart This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. Your Email Kerastase¨ Magistral Bain 250ml deeply nourishing shampoo cleanses, removes impurities and deeply nourishes, while detangling severely dried-out hair.