Simple: regular use will ease flakes and itching. Ideally, you should
wash with head & shoulders at least three times a week for visibly
flake-free* hair with regular use. All head & shoulders shampoos are
gentle enough to use every time you shampoo. If you use a conditioner,
ensure it’s head & shoulders. Doing so increases the effectiveness
(vs. cosmetic conditioner). If you use an ordinary conditioner, you
rinse away much of the dandruff-fighting ingredient, PTZ, which is
more...