Which one is best? head and shoulders or L'Oreal intensive antidandruff shampoo or Clinic all clear shampoo?

tell me which one is effective in removing dandruff..i have normal to dry hairWhich one is best? head and shoulders or L'Oreal intensive antidandruff shampoo or Clinic all clear shampoo?
head and shoulders!!!!!Which one is best? head and shoulders or L'Oreal intensive antidandruff shampoo or Clinic all clear shampoo?
Head and Shoulders, because I actually did a experiment on this and ';Head and Shoulders'; worked best.