Made of natural boar bristles, give your hair a 24-hour smooth, styled & volumized hair with positive charge. No more crashing hair. Shark-shaped fins with negative charge let your hair still packed with volume, but ultra smooth and shiny. Designed for hair professionals and beginners. No hair dryer, hair gel/spray or power required to volumize your hair. Suitable for all hair types. Perfect for creating professional salon look at home. Negative-charged shark-like teeth bristles make hair smooth and shine without getting caught, leaving volume created intact.