Liquitex Gloss Medium increases gloss, transparency and colour adhesion.  Extends colour, lowers viscosity and is non yellowing.  Water resistant when dry.  Use only with acrylic paint or medium.  Can thin up to 25% with water or airbrush medium.  Good for blending, glazing and as a collage adhesive or fixative.  Lightfast, archival, permanent, flexible and non cracking.