I know they said the hair straightener started the fire.

我知道他们说直发夹是起火点。

And in Korea, it's called fire straightener.

在韩国，它被称为火直器。

A study in 2019 by the National Institutes of Health found that African-American women who regularly used chemical hair straighteners were around 30% more likely to get breast cancer than white women.

美国国立卫生研究院 2019 年的一项研究发现，经常使用化学直发器的非裔美国女性患乳腺癌的可能性比白人女性高 30% 左右。