toothbrush
toothbrush, 칫솔
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.
칫솔은 치아를 깨끗이 닦는 데 사용하는 위생용품이에요. 하루에 세 번 이상 사용하는 것이 좋죠.
요즘은 전동칫솔이나 친환경 대나무칫솔도 많이 사용해요. 칫솔모의 색이 변하면 교체 시기를 알려주는 제품도 있어요.
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.