The basics Scar Effects Gel comes in an opaque flesh tone that allows artists to create raised 3-D scar, cuts, and character details on the surface of the skin. The benefits Once warmed to a liquid state, the gels turn into a versatile liquid that solidifies after cooling. The uses Our gelatin-based special effects gels are an essential part of any Halloween enthusiast, theatrical, or special effects artist’s makeup kit. The bottom line Expect 3-50 applications per ounce.