and Nioxin, one of the OGs of clinical hair care, deserves its laurels. With a loyal fan base since its inception in 1987, the brand continues to innovate, and its new Hair Fall Defense Shampoo is ...

She also appreciates that Nioxin has clinical studies showing users experienced hair growth in just 12 weeks. "Unlike many shampoos, this one is clinically proven to help reduce hair loss due to ...

The System 2 kits target the same hair types, but for progressed thinning. Nioxin sells its shampoos, conditioners, leave-in products and other styling tools separately, too. If you prefer a hair ...