Vibe Professional Triangolo Round Hair Brush With Reinforced Bristles 50mm - 1404 Vibe Professional 50mm round hair brush with ash trio wooden handle and section divider. it's reinforced, heat resistant bristles conditioning hair by distributing your scalp's sebaceous oil throughout the rest of your hair & increasing shine. It gently massages the scalp, increasing blood flow and unclogging the hair follicles. One of the factors in hair growth is blood flow to the hair follicles. Without blood flow, your hair cannot grow. This can often be a cause of hair loss and slow growing hair.