Helps prevent recurrence of flaking and itching associated with dandruff. Smoothes and shines dry, frizzy hair. H&S HydraZinc formula relieves scalp dryness, itch, irritation and helps prevent flakes. Smooth hair that shines: Cleans and conditions hair from root to tip to calm frizz, smooth each strand and restore shine in one easy step. pH balanced for everyday use - even for permed or color-treated hair.