Just seen that Boots are having a Premium In Store Event across the UK between 8th September 2010 and 5th October 2010, where you can enjoy a free facial or makeover at premium cosmetic counters. Here is the link to the event on the Boots website, where you can see full details.
You will be able to receive either an express customised makeover or personalised facial plus a complimentary goodie bag.
The brands that are taking part in this event are;
Yves Saint Laurent
You don't need an appointment but as these events are only running in selected stores, it's best to call first to check. Events start from 3pm until late.