This is an Aveda scalp massage brush. Material: Carbon Fiber Product Dimensions (L x W x H): 21.8 x 6.2 x 3.5 cm ~Product Overview~ This brush supports the cleansing of the scalp and the creation of a foundation for beautiful hair. By brushing the scalp, it lifts accumulated dirt and removes excess keratin. 【How to Use】 Use on dry scalp. Gently brush the scalp from the hairline towards the crown, against the direction of hair growth. I intended to use it, so I threw away the box. It's new, but please refrain from purchasing if you are sensitive to such things. Thank you for looking.