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  • Jo Sonja Gel Retarder 250ml

    Gel Retarder - Slows Drying Time - 250ml .

    Delays the drying time of paint without thinning it, allowing for the blendability of oils with the ease of acrylics. .

    Gel Retarder extends the drying time of the Jo Sonja’s Artists’ Colours. It allows an extended working or “open” time for blending and a thicker application of colour can be used in painting techniques. .