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.

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

Why? Because keratin treatments are great at amping up shine, smoothing the hair cuticle and generally giving you salon-worthy manageability, for months on end. Need to know more? We’ve got all ...

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

Score up to 60% off Barbie, Kinetic Sand, Lego and Melissa & Doug, and get the No. 1 bestselling Tonies Toniebox for a steal.

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

treatments with keratin - a protein already in the hair - nourish, strengthen and smooth But the treatment is not without its ...