The O-Sonic Cleansing Brush offers a revolutionary cleansing approach to gently remove dead skin cells, unclog pores by up to 99.5%, remove residue makeup by 98.5% and stimulate blood supply for better product penetration, giving the skin the look of new life and skin radiance. Cleanse skin to remove makeup. Apply second cleanse and spread with O-Sonic, adjusting speed and massage using “+” and “-” buttons. Rinse thoroughly a after use. Dry device well and keep in a cool place. Do not use with high acid or silicone soluble cleansers or granular exfoliants. Rechargeable.