We’ve tested the best shampoos for thinning hair for over a year now, and these PEOPLE Tested badge-winning formulas from ...

Packed with ingredients like biotin, keratin, collagen, and rosemary oil — all known to nourish, strengthen, and lengthen strands — hair growth shampoos promise to help stimulate the hair ...

and the color-safe shampoo I use to preserve my ruby-red look. After so many experiments, I know how to nurse my hair back from brittle and split to shiny and plump. And while I’ve written ...

Learn more If you struggle with dry, damaged hair, then you know that there are dozens — if not hundreds — of shampoos out there promising to solve your hair woes. That's why choosing the best ...