Mix healing clay with equal parts of raw apple cider vinegar and/or water. Best to use a non-metal bowl and utensil. Stir the mixture well, until it is a smooth paste. Add more clay or liquid as needed. Apply 1/4 to 1/2 inch layer to the face or other area. Let it dry for 5-10 min for delicate skin and 15-20 min for normal skin. You will feel a pulling and tightening sensation. Feel Your Face Pulsate: Remove clay by washing with warm water.