The basics 3rd Degree Silicone Modeling Compound is an extremely versatile product for creating realistic wounds and other special effects directly on the skin.  The benefits No adhesive required! The uses Can be used on both wet and dry hair.Just mix Parts A and B together on a mixing palette and then transfer to the skin to model and sculpt your desired effect.  Use 99% Alcohol to thin the product and help blend edges.  The bottom line You can also shape it using a mold to prep your wounds ahead of time. It can be colored before or after it fully cures, which is approximately 10 minutes.