But the chemicals found in some of these treatments—most notably formaldehyde, which is used to open hair's outer cuticle layer so the keratin can penetrate better—have come under fire due to ...

Which keratin treatment is best? The beautiful shine and sleek look a keratin treatment adds to your hair is worth all the hours you may spend getting it. Keratin is one of the major proteins found in ...

Battling frizz can feel like a full-time job, especially when you have factors like humidity working against you. There are so many quick fixes you can take to momentarily smooth down flyaways, like ...

If you have the frizz, coarseness or flyaways that come with damaged or aging hair, you’ve probably spent a good bit of time researching tips and tricks for thickening your mane. Perhaps you’ve tried ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There are so many at-home products for frizz that promise to deliver smooth, silky hair. But nothing ...

If you purchase an independently reviewed product or service through a link on our website, we may receive an affiliate commission. No one enjoys having dry, dull frizzy hair, which is why people ...

Shop TODAY independently determines what we cover and recommend. When you buy through our links, we earn a commission. Learn more. In an ideal world, we'd all naturally have super soft, frizz-free, ...

Every product on this page was chosen by a Harper's BAZAAR editor. We may earn commission on some of the items you choose to buy. Keratin is a beauty buzzword synonymous with smooth, shiny strands and ...

To put it lightly, my relationship with my hair has always been… complicated. Aaaaaand I hated it. People who wear their natural hair out daily, embrace the lifestyle, I love and adore you. I so badly ...

Keratin treatments come with a lot of rules. During the three-day developing process after your treatment, you can't pull your hair back into an updo (or any style that might cause dents), you can't ...

In TODAY.com's Never Have I Ever series, a fertility specialist warns that this common chemical can interfere with your health.