Masque de Glaise is a deep cleansing facial mask that firms, hydrates and rejuvenates lifeless skin by lifting impurities and toxins. As an essential part of the cleansing regime, Masque de Glaise allows for better absorption of RéVive® skincare. This facial mask restores skin"s own landscape to unveil instant clarity and help skin perform like never before.ApplicationMorning or evening appication, once or twice weekly. Apply liberally at least 1/8 inch layer on cleansed skin; leave on for 15-20 minutes until the masque hardens. Rinse well. Follow with serum and moisturizer. Avoid eye and neck area.