Clever toothbrush / Clever toothbrush

People brush their teeth every morning and evening, but we hardly know how much toothpaste is correct and healthy. We often use it too much, which cause a waste both of toothpaste and water. And over-use do harm to children’s health especially. So it is necessary to inform users the proper dosage.
This design divides bristles into different color parts. The distinctive color area in the middle tells user how much toothpaste he should squeeze intuitively.
Through this design, I hope to make our society more environmentally friendly and get our life more healthy and reasonable through this design.