11h 28min, jan 3, 1938 y - 7 toothbrush
Description:
1938The nylon toothbrush, the first to be made with synthetic bristles, appeared on the market. People preferred these bristles because they were softer and more hygienic than animal hair bristles.
Added to timeline:
Date:
11h 28min, jan 3, 1938 y
Now
~ 87 years ago