Add Yahoo as a preferred source to see more of our stories on Google. Which is why I went on a mission, testing all of the best hair-straightening products on the market, from moisturizing creams to ...

A new case study this month is the latest to suggest that hair-straightening products containing glyoxylic acid can cause kidney damage. Reading time 3 minutes A woman’s hair care routine seems to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you want silky, glass-like hair, you better be incorporating a good hair-straightening product before ...