Change your hair's destiny with the Bumble & bumble While You Sleep Overnight Damage Repair Masque, a repairing, strengthening & nourishing hair mask for damaged tresses. The Bumble & bumble While You Sleep Overnight Damage Repair Masque works overnight to fortify & reduce breakage thanks to added evening primrose oil which is rich in essential omega-6 fatty acids. The perfect ally for colour-treated, dry & damaged hair, the nourishing treatment will revive hair from roots to ends for silky-smooth hair that's happy & healthy. Designed to work immediately & over time, the boosting masque will also provide hair with protection against heat & UV rays. Apply to dry hair once or twice a week. For deep nourishment, leave on overnight, then wash out in the morning with your favourite shampoo & conditioner. For best results, use in conjunction with the Bumble & bumble Save the Day Daytime Protective Repair Fluid.