Multifunctional - This straightener beard brush volumizes hair, flattens side hairs and straightens curly hair. Combine heaters and comb teeth for hair straightening, meet your needs for different hair styles.Safety- Double-sided titanium plate with innovative anti-encrusted 3D encircled protection design can reduce hair damage from high temperature during molding.Straight hair curling, quick hair styling in minutes, abundance of hair, smooth hair on side hair and straightening curls, reduce hair loss and shedding.The professional instant heating system -PTC heats up in 15 seconds. Even, even heat can prevent "hot spots". On the burning hair. Temperature: 302F, professional and time saving.Health- This straightening / curling comb can promote blood circulation when using. Blood cells rejuvenate skin and hair cells, which reduces dandruff. The vibrating function promotes blood circulation which makes the hair healthier and stronger.