Brushing your hair every day with a boar bristle brush is THE gesture to include in your hair routine to limit alopecia. And for good reason: in addition to ridding your scalp of impurities accumulated throughout the day, this treatment brushing helps stimulate blood circulation. How ? Thanks to the massaging action of boar hair which promotes the supply of nutrients and oxygen to the follicular papilla. Result: over time, the hair fiber is stronger.