Graftobian Pro F/X Rubber Mask Grease (RMG), is made especially for use directly over latex or foam latex surfaces such as masks, fake wounds, bald caps, or other latex and foam latex appliances. The RMG contains Castor Oil, which coats the appliance and the surrounding skin with sufficient lubication to allow the latex peice to appear natural and not chalky, as it would appear if you used ordinary creme foundations over latex. In addition to this feature , RMG is hyper-pigmented, yielding great coverage over a wide variety of skin and fake skin surfaces.