... ¡¯s skin, depending on the active ingredient selected. Available with Collagen, Aloe Vera, Ginkgo Biloba, Caviar, AHA or Hyaluronic Acid ... sponge with distilled water, saturate the Mask, molding it onto the skin. The Collagen Fibre Mask should be left on for 20 minutes ... , reapplying water in 5-minute intervals to keep the Fibre Mask moist ...