GM Collin Glow Mask is suitable for all skin types. This deliciously creamy mask: Revives tired-looking skin. Provides a radiant glow to the skin. Moisturizes and nourishes the skin. Decreases skin redness. Application Tips: On clean and dry skin, apply a sufficient layer of the Glow Mask and leave on for 15 to 20 minutes. Rinse well and follow with your G.M. Collin serum and cream. May also wear on the plane or in bed.