Foldable portable water-washing sticky hair roller, with a small and exquisite appearance, is available in multiple colors such as blue, green and pink. The white handle paired with the colorful roller is fresh and beautiful. It features a foldable design. When not in use, it can be easily folded up, making its size very small and convenient to carry in a handbag. It can be used anytime and anywhere. The roller adopts a new type of TPR adhesive, which is highly adhesive, environmentally friendly, non-toxic and odorless. It can effectively remove hair, dust and other debris from the surface of clothes, sofas, etc. Moreover, it can be washed and reused. After use, just clean it thoroughly with detergent or laundry powder, dry it and it can be used again. It is economical and practical.