[Manual Operation] This waterproof manual brush can be operated by hand. It is suitable for all hair types, including thick and thin hair, short and long hair, wet and dry hair, and even pet hair. [Hair Cleaning] Your hair and scalp will be cleaner than before after using this gentle shampoo brush in the shower. You can enjoy washing your hair with this soft brush. [Calm and Relieving] This massager can be used to lighten itching and calm stress on the scalp, massage it while you're in the shower to have a soothing at-home massage each time you do your hair. [Convenient Storing] The ergonomic design fits your palm wonderfully and makes it simple to grip, light and convenient for storage. [Manicure Safe] If you have long, well-manicured nails, an excellent shampoo brush is ideal for you; you won't ruin your manicure any longer while washing your hair.