Hair straighteners have been around for more than 100 years. Within minutes, these chemicals can straighten curly hair. But now, more than 100 lawsuits have been filed in the US against the companies that produce these straighteners. Complainants of the product contain dangerous chemicals that can cause cancer and other health problems. They also allege the companies knew this but marketed and sold the products anyway. This Blog is about hair straightener claims and their alleged harmful effects.