However, if you have a dry scalp, you might not see any signs of oiliness for up to a week after you last washed your hair.

Tender or easily irritated scalp? Here, the 10 best shampoos for sensitive scalps experts recommend; plus, they share top ...

Dry shampoo can be a lifesaver when you're in a rush or on-the-go, but using it too much could be damaging your hair - here are the warning signs to look out for ...