Sock it in normal/tap water for 7/8 hours or Keep the bristles under the hot water until they soften. Use your fingers to test the softness by gently rubbing them along the bristles. Once they feel soft to your touch, you can brush your teeth.
To soften a stiff toothbrush, you can soak it in warm water for a few minutes. This helps to loosen the bristles and make them more flexible. Alternatively, you can also run the toothbrush under hot water for about 30 seconds before using it. Just be careful not to use boiling water, as it can damage the brush.
A toothbrush also has bristles.
All bristles are safe,
A toothbrush without bristles is often referred to as a toothbrush handle or a toothbrush base. It typically serves as the structural component that holds the bristles in place. In some contexts, it can also be seen as a placeholder or an incomplete toothbrush. Without bristles, it cannot effectively clean teeth.
Yes ,the bristles and the handles of toothbrush are made of the same material that is nylon.
The capitol of a toothbrush (most important part) is the bristles. Why am I answering this?
Nylon.
Yes ,the bristles and the handles of toothbrush are made of the same material that is nylon.
Helpful Friction.
I'm assuming that they are attached on a small board. I would expect the plastic of the toothbrush to be put over the board and the piece over the board would have holes to allow the bristles to come through the plastic.
it stands for the stiffness of the bristles but the lower the number the softer or harder?
No. The bristles of the brush will damage the soft tissue inside.