Big Sleeps Inks are now available for practice or training purposes on fake skin. Please note that this ink is past its recommended expiration date and should not be used on human skin. The formula is very dark but dilutes well with a drop system, making it easy to work with for various types of work, including soft tones such as portraits and black and gray shading. It also performs excellently for lining and heals just as dark as it appears. This pre-dispersed ink offers the convenience of a "shake and use" formula and is free from acrylic, solvent, and PET plastic. Proudly made in the USA. To be used only for practice or training purposes on fake skin