Mixed with acrylic colors to a maximum of 10%. Retarder increases their open (drying) time. Useful for blending and shading or wet- in wet techniques and reducing skin-formation on the palette.
Mixed with acrylic colors to a maximum of 10%. Retarder increases their open (drying) time. Useful for blending and shading or wet- in wet techniques and reducing skin-formation on the palette.