What it is: . A versatile styling tool that combines the benefits of a round brush, blow-dryer, straightener, and curler while reducing damage to the hair. Hair Texture: Straight, Wavy, Curly, and Coily. Hair Type: Fine, Medium, and Thick. Hair Concerns: - Shine. - Straightening and Smoothing. - Volumizing. Key Benefits: . - 2x smoother hair and 50 percent less frizz. - Improves shine. - Far-infrared light reduces thermal exposure. What Else You Need to Know: Designed for all hair types, this multi-purpose blow-dryer brush features advanced ionic technology to reduce drying time and minimize static, as well as far-infrared light to gently heat strands from the inside out to reduce thermal exposure and lock in moisture. Clinical Results: According to an independent instrumental study comparing to untreated hair: - 2x smoother hair/50% less frizz with just one use of Moroccanoil Effortless Style 4-in-1 Blow-Dryer Brush. Based on an independent instrumental study: - Less damaging when compared to the combined use of traditional tools. Size: One Size. Color: None. Gender: unisex. Age Group: adult.