The supplement contains 500mg of keratin, which is essential for hair structure, softness, smoothness, and flexibility. We take two capsules daily, and the product is unflavored and easy to swallow.

But what about gentler, at-home keratin hair products? You don’t have to be a haircare whizz to have heard of keratin – it’s an ingredient that we’ve long seen stamped on product bottles.

We dove deep into the technology behind volumizing hair products, learned about the history and chemistry behind ...

Keratin treatments don’t break the bonds inside the hair but form a smooth coating ... whether it led you to buy a product or visit a website, etc. This is very helpful to understand the ...

The Remilia Cosmocap Hair Serum comes with 30 individual capsules and is on sale for $23 at Amazon. A beauty editor of ...

Kyle Richards once revealed that she uses a hair-thickening spray during an Amazon Livestream. Learn more here — see more ...

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Nutrafol and Nioxin are mainstays in Alyssa Milano's fight against hair loss. (Getty) Our writers dubbed Nutrafol the best ...