panthenol Nioxin’s System Kits rely on peppermint oil, niacinamide and biotin to thicken hair and is a favorite among Green’s patients. The kits, which include a therapeutic shampoo ...

a healthy scalp and the thickening of fine hair. They can also improve hair health and resistance to breakage. Minoxidil solution is made by several brands, including Rogaine, Nioxin and ...