La Bonne Brosse La Bonne Brosse N.03 THE ESSENTIAL SOFT Petite Brush | White | Elevate your daily hair care ritual with La Bonne Brosse's n. 03 the essential soft petite brush - a totable hair brush, designed to deliver the ultimate hair brushing experience. Crafted in france, each innovative brush features natural boar bristles - rich in keratin - along with nylon fibres, hand placed into the flexible base, it effectively detangles tresses while soothing the scalp with an invigorating massage, stimulating blood circulation and promoting hair growth while also nourishing and moistutrising hair.