A genuine transparency accelerator...Dior presents a brand new technology and texture: applied for 10 minutes, this mask, formulated with Icelandic GlacialTM Water and T.E.C.TM lowers skin temperature by 4°C and instantly reduces melanin production. Used once a week, this gel mask guarantees instant skin brightening and a visible acceleration of skin transparency resultats thanks to the boosted effectivement of all other active brightening ingredients on the 5 features of skin transparency : global transparency is boosted by 7,4% after 1 month.