toothbrush
toothbrush, ์นซ์
A toothbrush is a hygiene product used to clean teeth. It's recommended to use it at least three times a day.
These days, electric toothbrushes and eco-friendly bamboo toothbrushes are also widely used. Some toothbrushes even have bristles that change color to indicate when it's time for a replacement.
A toothbrush is a hygiene product used to clean teeth. It's recommended to use it at least three times a day.
These days, electric toothbrushes and eco-friendly bamboo toothbrushes are also widely used. Some toothbrushes even have bristles that change color to indicate when it's time for a replacement.
The first toothbrush is said to have been made from twigs in Babylonia around 3500 BC. Modern nylon bristles were developed in 1938, which brought about a revolutionary advancement in oral hygiene.
Recently, smart toothbrushes incorporating IoT technology have emerged. They even have functions to analyze brushing patterns and guide users on the correct way to brush. Also, refillable toothbrush heads and biodegradable toothbrushes are gaining popularity among environmentally conscious consumers.