When I discovered keratin-based hair fibers, it was a game-changer. I could finally go back to styling my hair the way I wanted to: down to my mid-back with loose waves. And when I'd slick my hair ...

The keratin made by the hair follicle cells makes long fibers. The cells, growing just under the scalp, eventually die, leaving the keratin behind. This keratin, combined with the keratin left by ...

Astbury called this the a-keratin pattern. When these fibers were stretched under steam, a new pattern appeared with a meridional reflection at 3.4 Å and two equatorial ones at 4.5 and 9.7 Å. Astbury ...