Medi-Spa: QMS Medicosmetics, London
'The cool white interior of QMS' flagship spa is a haven for stressed-out Londoners,' promises Katie. 'But don't expect too much pampering here as the speciality is proper, grown-up facials, using their fantastic collagen treatments.'
43 Cadogan Gardens, London, SW3 2TB
Cleansing/exfoliating treatments from £45, wahanda.com