You may bristle at the thought, but our ancestors used frayed twigs to “brush” their teeth. Toothbrushes have evolved a lot ...

These nylon bristles will not scratch and can be used ... This set of bathroom brushes has multiple brushes that work great as a grout cleaning brush for your shower or bathroom.

The bristles are made of hard nylon, not easy to deform, and provide effective deep cleaning for stains in any corner. The small cleaning brush is designed with a loop handle that is easy to grip ...