La Bonne Brosse La Bonne Brosse N.02 THE ESSENTIAL All Purpose Brush | Blue | La Bonne Brosse's n. 02 the essential all purpose brush has been expertly designed to deliver the ultimate in hair care, effectively detangling tresses while soothing the scalp with an invigorating massage. Elevate your daily hair care rituals with this innovative brush, crafted from natural boar bristles - rich in keratin - along with nylon fibres, hand placed into a flexible base to soothe the scalp with an invigorating massage, stimulating blood circulation and promoting hair growth while also nourishing and moistutrising hair.