Good shampoo/conditioner for dry hair?

i got my hair cut today, and the woman who cut it said my hair is really dry. she used something to wash it with called olive oil shampoo/conditioner. i would buy that, but its kind of expensive. any suggestions on other shampoos/conditioners that help dry hair that aren't expensive?Good shampoo/conditioner for dry hair?
Herbal Essence.

blush brush