Keep sagging skin at bay with <b>Nanette de Gaspé</b>’s revolutionary, waterless <b>neck mask</b>. Exclusive to Selfridges, this intensive mask treatment utilises Japanese-founded techstile technology which stores an anti-ageing, lifting complex within its fibres and is activated by gentle massaging. The result? Skin is restored back to its youthful state, feeling firm, soft and supple.