Details What it is: A patent-pending brush that allows you to customize the deep cleansing needs of your skin, resulting in a soft, smooth, radiant complexion. Solutions for: - Dullness and uneven texture - Pores If you want to know more.. This patent-pending Double Cleansing Brush provides an ultimate cleansing experiencehelping you to achieve full customization for beautifully soft, smooth, glowing skin. The luxuriously soft synthetic fibers surround a textured reservoir to gently massage and deeply purify. no batteries required.