Interactive Medium: Spray apply for slow drying wet-in-wet techniques. Use only with Atelier Interactive.Take full advantage of Atelier Interactive's unique properties with Unlocking Formula. This medium allows artists to reopen an uncured paint layer even after it is touch-dry.Once the paint is reopened, new paint can be blended back in, existing paint edges can be feathered, or whole sections can be removed with a rag to reveal underlayers. Spray apply using the Atelier Fine Mist Water Sprayer.Curing time is dependent on humidity, thickness of paint film, mediums used and the painting surface.Clean up with mild soap & cool water. This product is marked as a dangerous/hazardous item. Due to this fact, extra freight charges will be calculated upon check out.