Teens and adults will both appreciate new hair styling appliances this season, no matter what their hair is like right now. If you have a teen in the house, you know their hair can change again next week! So, here are some of the top bestselling hair styling appliances for you to consider. Bestselling Hair Styling Appliances Featured Product: The Professional HSI Flat Iron is great for transforming frizzy, dull hair into gorgeously straight, sleek locks. Aside from straightening, the Proffesional HSI Flat Iron curls and flips hair beautifully, its 1″ plates giving maximum control for all hair types. With flash quick heating and swivel cord, this iron provides great…