A keratin treatment is a semi-permanent hair straightening method that aims to smooth and straighten frizzy or curly hair, says Ross Kopelman, MD, a board-certified hair surgeon at Kopelman Hair ...

Us Weekly has affiliate partnerships. We receive compensation when you click on a link and make a purchase. Learn more! Hair is an important part of your overall look, whether you’re a curly ...

A semi-permanent alternative to relaxer ... of amino acids and glyoxylic acid to temporarily loosen curly and coily hair. It’s a treatment that has to be done in-salon by a professional.

If you’ve noticed your curly locks are less bouncy or your straight hair has become more wavy or coarse, all is not lost! With some tweaks to your routine and expert tips, you can learn to care ...