Including keratin-rich hair products like serums in your daily routine may reduce breakage, protect your strands against environmental stressors, control frizz and enhance the elasticity.

So there really is an active ingredient, but again, they haven’t been evaluated for their efficacy or safety.” But not all ...

Aveda's top-rated scalp serum helps hair look full and lifted instantly and over time, making it especially ideal for fine ...

A silk press can easily be ruined by the wrong heat protectant. The Doux created a complete system—from shampoo to ...

You can choose from anti-frizz sprays, serums, oils ... along with amino acids and keratin that strengthen hair and prevent breakage (which, you’ve guessed it, also causes frizz).

A top hairstylist once told me that your hairstyle is only as good as the products you use, and after testing hundreds of serums ... plant-based keratin — which shields hair against drying ...

This is intensely hydrating, so I’d recommend it for thicker, dryer, coarse hair. The ingredients in this entire collection are excellent: collagen, keratin, and vitamin C. This hair serum is ...

The good news is that hair grows back; the even better news is ... There are a ton of expensive brow serums out there, but nothing quite like this one from Augustinus Bader.