The cuticle is your hair’s protective outer layer, and when it’s healthy, it’s smooth and flat. Damage can lift some of the ...

“Keratin treatments can make hair more manageable, especially if your hair is particularly frizzy, thick and unruly,” says ...

hydrogen, ionic, and disulfide.” She stresses there are other bonds in the hair, but the following are the most important to ...

The third type of bond, the hydrogen bond, is the most flexible, giving hair its elasticity. Unlike disulfide bonds, these ...

It also works to strengthen hydrogen bonds in your hair. (You have the most of these types of bonds in your hair, but they are also the most prone to damage, according to the brand.) With this ...

There are three types of hair bonds: salt, hydrogen and disulphide bonds. The way we treat our hair will determine which of these hair bonds is likely to break. For those of us with heat damage ...