Easy to operate, put the cream on the handle, put on the lid, press up and down for only 20 seconds and the foam is made Perfect for variety of products such as shampoo and shower gel, and the foam is delicate. Provides deep cleansing without causing stress to skin with the fine foam produced and dissolve dirt quickly. Easy and fun way to make bubbles to make cleansing a little more interesting The best service, feel free to contact us if you have any questions.