The Nioxin System 4 Scalp and Hair Shampoo is a strand-strengthening, scalp-nourishing treatment for fine, limp, damaged, and thinning hair that’s even safe to use on color-treated tresses.

This Nioxin System 2 hair-thickening kit is 50% off on Amazon. It’s a dermatologist-recommended 3-step routine for noticeably thinning hair, and it actually works.

After using the Nioxin Scalp and Hair Thickening System 2 Shampoo a 68-year-old reviewer wrote, “all my hairdresser could talk about was how thick my hair was…There was all this new growth too.” ...

Alyssa Milano swears by Nioxin's Cleansing Shampoo to treat COVID-related hair loss and it’s on sale right now for 64% off. She says it “helped tremendously.” ...

Shoppers and InStyle editors swear by the Nioxin System 1 Shampoo for noticeably thicker, longer hair. Snag the expert-backed hair care product for under $30 at Amazon.

The set at Boots costs £61 includes a 300ml cleanser shampoo, a 300ml scalp therapy revitalising conditioner and a 100ml ...

Alyssa Milano’s hairstylist opened up about the Nioxin hair thinning products she’s using after experiencing intense hair loss due to COVID-19.