M.E. Skin Lab 's 'Plasma 27' masks are ideal as a once-a-week treat or to re-hydrate after long-haul flights or sun exposure. Designed to refresh and balance cellular-level functions while lessening signs of ageing, these serum-based masks have regenerative properties derived from plant-based Liposomes, proline Amino Acids and encapsulated Centella Asiatica. Formulated without any petro-chemicals, parabens or silicone, they use Calendula and Bisabolol extracts along with Lettuce and Lemon Balms to smooth and soothe your complexion. - Regenerating, toning and hydrating masks for sensitive facial and neck skin - Apply to clean, dry face and leave on for 15-20 minutes. Remove mask and gently massage excess product into skin - Free from parabens, phenoxyethanol, petroleum derivatives and silicones - - 4x 23ml/ 0.8 fl.oz.