Come up with 3 ways to improve given product.
Input: Toothbrush
1. Invest in research and development to create a toothbrush with a better bristle material that is more effective in removing plaque and reducing gingivitis.
2. Design a toothbrush with a handle that is easier to grip and makes brushing more comfortable.
3. Create a toothbrush that is more environmentally friendly by using sustainable materials and a minimalist design.
1. Improve the handle design to make it more comfortable and ergonomic.
2. Add antibacterial properties to the bristles.
3. Increase the battery life of the electric toothbrushes.