Cattier Treatment for Les Coiffants 150ml This leave-in curl defining treatment helps nourish hair and define curls thanks to the combination of Castor and Coconut vegetable oils. Its creamy, light and non-sticky texture helps to style hair without weighing it down, while its sparkling citrus scent leaves hair delicately scented. The formula, enriched with vegetable sugars, helps reduce frizz to obtain more intense curls.