Mehron Mask Color PaletteMehron's Mask Cover is the first choice of professional special effects artists for use on latex rubber silicone and foam prosthetics . this palette contains colors, Red, Yellow, Blue, Green, Black and White. These are a castor oil based cream formulas which will not break down synthetic prosthetics that are petrolatum or mineral oil based. Product and color selections were developed in cooperation with Academy Award winning makeup artist Dick Smith!