A 38-year-old man in southwest China’s Sichuan province has invented an automatic hair-washing machine and received a national patent, Chengdu Business Daily reported.

The hair-washing machine consists of a motorcycle helmet, two water tanks and a control panel.

The whole process of using the machine takes place in several stages. First, water and shampoo will be sprayed in the helmets, and at the end hot air is blown through the helmet to dry the hair.

Cheng Gongke, the inventor, said he had the idea because he wanted to make it easier for his paralyzed grandma to wash her hair. After experimenting for 16 years and breaking 18 motorcycle helmets, his dream has finally come true.