Still, technicians accomplish a lot in a 30-minute session. Expect a deep cleanse, customised mask and a supple moisturising treatment, plus a head and scalp massage. The power facial is especially convenient for those short on time, and is reasonably priced to boot.

£42.50 for 30 mins. 
24 Litchfield Street, WC2H 9NJ  
Tube | Covent Garden

Photo: Thinkstock