ZAQ mellow silicone facial cleansing brush with rohs and ce certifications, it`s safely and harmless to the human for normal skin, they recommend to use it as daily routine. For sensitive skin, they suggest to use once a day. Deep & Soft Cleansing: - This facial cleansing brush can effectively remove cosmetics residues, cutin, dead skin cells, acnes and dark head and diminish pores. New dual-core w-sonic vertical skin sonic pulsation technology can release 8000 sound waves per minute - With 5 adjustable strengths, it is suitable for different ages and skin types Soothing Wrinkles: - The skin cleansing system works by gently directing lower-frequency pulsations on wrinkle-prone area to help diminish the visible signs of aging, increase the blood circulation, increase the absorption of skin products, lift and firm your face Specially Design For Sensitive Skin: - The updated brush hair is softer - It is 5.2mm long, with a diameter of 1.2mm - It is as gentle as hands, but the cleaning effect increases tenfold - It is suitable for sensitive skin type - Medical grade silica gel can strongly resist bacteria, and brush head designed for T zone can effectively remove grease and stains, giving you a dustless and cool feeling Wireless Charging & Super Long Standby Time: - 300 minutes by charging for two hours - Brand new inductive type charging and seamless assembly truly realize ipx6 water resistance and guarantee safe use - High-quality rechargeable lithium battery supports super long use. small size makes it convenient for carrying when traveling or going on a business trip