What it is: A handcrafted applicator brush designed specifically for use with the NuFACE Microcurrent Activator, sold separately.What it does: It helps provide precise, mess-free application. Its soft bristles effortlessly sweep over the contours of your face and neck. How to use: Dispense your desired amount of Microcurrent Activator onto the brush and smooth over desired treatment areas. The applicator brush is easy to clean with no-waste application. To clean the brush, rinse with warm water and squeeze the bristles with a dry towel to remove excess water. Lay flat to dry. For a more thorough cleaning, add a few drops of gentle shampoo and warm water into the palm of your hand and gently massage the bristles. Rinse well, squeeze out excess water with a towel and lay flat to dry. Cruelty-free Made in the USA