The Zelcol Zel-Kin for Oil Colour s a professional-grade, liquid alkyd resin medium engineered in South Africa to accelerate the drying time and improve the fluid dynamics of oil paints. This translucent soft gel formula breaks down heavy paint viscosity to deliver exceptional leveling and smooth, drag-free brushwork without causing surface yellowing over time. It significantly increases pigment transparency and color depth, making it the premier choice for artists executing intricate details, fine glazing layers, or fast underpaintings.