NIB - GENTLY SEPARATES KNOTS & SNAGS: Ordinary bristle brushes rips through and pulls out the knotted hair instead of gently separating it. But these brushes use the exclusive Intelliflex bristles that bend and flex to remove knots effortlessly, reducing damage and pain. - HARMONIOUS HAIR KIT: The hair kit consists of an ultimate detangler brush and a mini styling iron. The exclusive, ultra-soft Intelliflex bristles glide through tangles with ease. It lets you brush with less force so you can detangle with less damage to your hair. The 2-In-1 Styling Iron that heats up to 410ºF to straighten or curl your hair.