Lancome Hydra Zen Masque Anti Stress Moisturising Overnight Serum in Mask 2.6oz / 75ml Lancome creates Hydra Zen Serum-in-Mask: overnight intense hydration to reveal your skin tone radiance. Forget the stress, tension and fatigue built up over the course of the day and prepare your skin for a night-time radiance boost. Created to reduce the visible signs of stress, Hydra Zen Overnight Serum-in-Mask penetrates quickly and provides intense hydration. A concentrate of freshness with a delicate, relaxing fragrance. An exceptional Serum-in-Mask texture combining the freshness of a serum with the relaxing application of a night mask. After first application, 87% of women surveyed felt that their skin was softer and nourished, and 81% experienced a relaxing effect. Based on a survey, 86% of women said that their skin did not feel greasy, while 82% said their skin was not shiny.