The massaging hair and scalp brush helps to gently, yet effectively lift impurities from the scalp and increase scalp micro-circulation, all while enhancing your sensorial scalp care experience. The design: The thin, long, bristles have a flexible reach to the scalp through wet hair. Bi-level filaments allow the longer filaments to touch the scalp, while the shorter filaments reach the hair. Soft, rounded ball tips are gentle for the scalp while providing deep exfoliation. The double concave design has a spherical topography, allowing the massager to adapt to the head's shape. The curved handle is ergonomically designed to comfortably hold in your hand. Suitable for: All scalp types: Normal to oily, normal to dry. All hair types: Fine, medium, thick. All textures: Straight 1A-1C, Wavy 2A-2C, Curly 3A-3C, Coily 4A-4C. Aveda is a cruelty-free brand. We do not conduct animal testing and never ask others to do so on our behalf.