BackyardByTheP00L t1_j6iidr8 wrote on January 30, 2023 at 4:06 PM

Reply to comment by 13-Penguins in Black and Hispanic hairdressers are exposed to a complex mixture of chemicals, many of them unknown, potentially hazardous, and undisclosed on product labels, researchers report. There are more than 700,000 hairdressers in the United States, more than 90% of whom are estimated to be women. by MistWeaver80

It's the formaldehyde that's in the straightener, and it's released as a gas while being applied to the hair. Formaldehyde is carcinogenic. Also in some of the keratin conditioners sold over the counter I've heard, but never fact checked.