Depending on where you go to get a keratin hair treatment, it can cost anywhere from $300 to $600 per treatment. (For reference: at Pierre Michel Salon, it costs $450 for a single treatment).

People should avoid washing their hair too often, as this can strip away the keratin treatment. Instead, aim to wash hair every 3–4 days using lukewarm, rather than hot, water.

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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 ...

Keratin treatment for fine hair before and after: For frizz-free hair that also looks thicker. This video shows from YouTuber Dominique Sachse shows the transformation from frizzy and thin hair to ...

TikTok user Chelsie shared her devastating hair journey online in a series of shocking photos, where she shows how her long, blonde locks “melted off” after keratin treatment.

If there was a way to have your blowout last for weeks—maybe even months—chances are high that you’d be game to do it. That’s where a keratin hair treatment comes in. As Charlotte Mensah ...