haru Refresh Shampoo Brush Shipped in simple packaging. The following is an excerpt from the official website: [Cleanses thoroughly and conditions the scalp] There are two main benefits of a shampoo brush. First, it thoroughly removes dirt from the scalp, leaving pores clean. Furthermore, the massage promotes blood circulation, making it easier for the scalp to receive nutrients, leading to healthy hair. By loosening the scalp, you can also feel refreshed, and it's also good for stiff shoulders and neck. [Designed to fit the scalp] By creating a large hole in the center of the brush, it is designed to move along the curve of the head. The band part can also be adjusted in two stages, fitting gently in your hand. You can gently wash even the fine areas of the scalp. Size: 9cm (H) x 7cm (W) x 9.2cm (D) Weight: 51 g Material: Olefin-based elastomer Heat resistance: 60°C How to use: After lathering the shampoo, gently move the shampoo brush in small strokes.