To soften the blow of vivid shades, Gum Arabic from Winsor & Newton is an excellent way of encourage transparency without losing any slants of brilliance.Display your skilled strokes without distracting your audience from your subject. Diluted Gum Arabic solution helps you to regulate the spread of wet colour, reducing that awkward, unwanted blotchiness. Put watercolours back under your control!75ml Bottle.Vaguely-tinted.Encourages transparency and a lustrous finish.Reduces staining. Controls wet colour.Winsor & Newton Gum Arabic 75ml