Old Skin Plast (OSP) is a synthetic preparation used to create realistic wrinkles on the skin, as well as ageing skin. Stretch the skin between thumb and index finger and use a brush to apply OSP. Then allow to dry. To intensify the effect, repeat application as necessary. To remove, use OSP Remover. OSP contains solvents including acetone and is flammable. Do not allow to come into contact with the eyes.