If you ever worry that you're using way too much toothpaste, try the Twist & Brush designed by Spanish design studio Kawamura Ganjavian.
The Twist & Brush is a compact toothbrush with a toothpaste deposit. Its syringe-like design has measurements so that users control the amount of paste that gets filled and put out. When the bottom is twisted, the toothpaste gets pushed out onto the bristles. Now you'll no longer have to worry about putting too much on your toothbrush.
The Twist & Brush an extremely convenient accessory that largely benefits travelers due to its size. It helps save space in the suitcase, and its useful function is an added bonus for those who emphasize the importance of conservation.