Head and Shoulders Classic Clean Anti-Dandruff Shampoo
There may be more scalp products on the market these days than we can count, but we'll always have room in our hearts for the tried-and-true Head and Shoulders Classic Clean Anti-Dandruff Shampoo ($24 for a two-pack). Formulated with flake-fighting zinc pyrithione, there's arguably no better (or research-backed) means of dealing with dandruff.