How do you choose your shampoo?

How do you choose your shampoo? How do you choose your shampoo? Do you opt -for the one on special offer? The one that Cheryl Cole -advertises? The one -created by the celebrity -hairdresser? The choice is bewildering.

Boots’ website alone offers in excess of 430 different bottles of the stuff and more than 200 new shampoos were launched in Britain this year.

While most of us are aware of (but would probably choose not to buy) a 59p own-brand bottle, what’s at the other end of the spectrum? Space NK sells -legendary hair stylist Frederic Fekkai’s shampoo for ￡31.