Michael Harding also offers an extensive range of professional mediums, perfect for altering and enhancing the properties of oil paints. From achieving smooth washes with thinned paints to creating impasto textures, or adding a luminous glaze, Michael Harding has the perfect medium for you. Their time-tested formulas, like PM1 Oil Paint Medium and Dammar Glaze Medium, are trusted by professionals for their consistent performance and lasting results.