The Winsor & Newton Artists' Oil Colour Charcoal Grey 37ml is a high-quality oil paint that is perfect for professional artists and hobbyists alike. This oil paint is made with the finest pigments and has a smooth, buttery consistency that is easy to work with. It is highly pigmented and provides excellent coverage and vibrant colour. The paint is also lightfast and has excellent permanence, meaning it will not fade over time. It is also non-toxic and safe to use. This oil paint is ideal for creating a variety of effects, from subtle washes to bold, vibrant strokes. It can be used on a variety of surfaces, including canvas, paper, wood, and more. It is also suitable for use with a variety of painting techniques, such as blending, glazing, and impasto. The paint can be thinned with a medium or solvent, such as linseed oil or turpentine, and can be mixed with other colours to create custom shades. The Winsor & Newton Artists' Oil Colour Charcoal Grey 37ml is a great choice for any artist looking for a high-quality oil paint. It is easy to use and provides excellent coverage and vibrant colour. With its lightfastness and permanence, it is sure to last for years to come.