RETRO LINERS A water activated formula . Just add a small amount of water, mix well, and create! Our retro liners dry to a smooth matte finish and do not smudge or transfer once dry. Duochrome pigment . It is a Buildable formula 19 shadows for choose How to use 1. Open retro liner and add a few drops of water on the lid of the container. Only use water to activate. Do not add anything else as it may alter the formula of the product. 2. Wet your brush and begin activating the product by mixing it well until a thick smooth consistency is achieved.This part is very important 3. Apply your retro liner as desired and get creative with face/body designs! 4. Before closing and storing the product, allow the pot to fully air dry in a sanitary area for a few hours.