There are many properties attributed to this masque. It instantly soothes as you apply it onto the skin. TerreusMasque tones, lightly exfoliates, moisturizes and relaxes the skin. At a 20% concentration, the thermal clay (Liposilt®) is a sebum reducer (reduction of 12%) with a mattifying effect. The thermal clay is an important ingredient with a high level of Amino Acids and Humic Acid (associated with AHA properties). TerreusMasque initiates an immediate exceptional soothing feeling as well as reduces redness of the skin following a dermatology treatment.