Some helpful tips If you do get a salon-smoothing treatment, only wash your hair with a sodium- sulfate-free shampoo, or you will strip your hair of the keratin. Some treatments to try at home: ...

The formaldehyde in keratin hair treatments has been flagged as potentially cancer-causing. Experts explain exactly what you need to know about before trying it.

Officials from the Minnesota Department of Health today are warning hair salon owners and their customers about certain hair-smoothing products-sometimes referred to as keratin treatments-that may ...

As the popular Brazilian Blowout hair-straightening treatment takes the heat, new formaldehyde-free alternatives to tame frizz have arrived.

We asked product developers and a slew of testers to check out the latest DIY keratin treatments that claim to smooth and straighten hair for up to 30 days. The consensus: They really work! Even ...

To help you get sleeker, straighter hair with the ease of a brush, we've pulled together every best hair straightener brush ...

If you have coarse, frizzy hair, stylists say these at-home keratin treatments really work to help you get smoother, straighter hair in a matter of minutes.