Open sachet and apply patch directly to under eye area (with the narrow end oriendted under the inner eye area) and leave on for 20 minutes. Can be used as a 7-day treatment for a long-term smoothing effect. Klorane Beauty Tip: For an added cooling effect, place patches in the refrigerator before use. Make-up Artist Tip: Before applying eyeshadow, put on eye patches to catch any eyeshadow fallout on the fabric patch. This takes multi-tasking to a new level!