(There's also a permanent method, a keratin treatment, that lies somewhere in the middle — but more on that later) To weigh ...

The process involves several steps, including saturating hair in a keratin solution, drying it, and using a flat iron to lock it in a straight position. However, don’t confuse it with hair ...

Following is a transcript of the video. Nico Reyes: You probably noticed that the only time I ever straighten my hair is when I'm doing a video about straightening hair, and today is one of those ...

Do GHD straighteners really give you a good hair day? Which hair straighteners should you use if you've got straight, wavy or very curly hair? We've tested the most popular hair straighteners costing ...