A Guide to Oil Painting Mediums

A Guide to Oil Painting Mediums

Oil Painting Mediums are used to alter the transparency, consistency, or drying time of oil paint. It is important to know when and how to use mediums, as they can help to control your paint and develop your painting techniques. 

Depending on which mediums you use, you can achieve a variety of different sheens and and either shorten or extend the drying time of the paint. 

When using the mediums you can either mix them with the paint directly on your palette, or dip your brush into the mediums like you would do with water. 

Loxley Refined Linseed Oil offers many of the same qualities as Cold Pressed Linseed Oil, but dries slower. It is an alkali-refined oil of pale colour that improved the flow of oil colour by reducing consistency and also increases the gloss and transparency, making it ideal for glazing techniques. It is the most popular form of oil medium, and is very useful when painting in layers as it slows down the drying time of the paint. 

Artists Fast Drying Oil Medium

Loxley Fast Drying Oil Medium has been formulated to speed up the drying time of oil and alkyd paints. The benefit of this is that you can cover large areas of canvas/board quickly and then start to paint thicker layers of paint within minutes without disturbing the under painting.  It also improves flow and transparency of the colour making it great for glazes and detail work ensuring that there are fewer brush marks in the paint. 

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Artists Oil Painting Medium

Loxley Artists’ Oil Painting Medium thins the consistency of oil paint, slowing the drying time, meaning you have more time to manipulate the paint before it dries. It also improves the flow and wetting properties and is resistant to yellowing. 

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Artists' Genuine Distilled Turpentine

Loxley Genuine Distilled Turpentine, is a highly refined essential oil for diluting oil colours and cleaning brushes, it evaporates slowly forming a good bond with the paint and has greater wetting properties than White Spirit.

The solvent thickens on exposure to air and light, so must be stored in a dark place, in its air tight container.

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Artists' Stand Oil

Loxley Stand Oil is a viscous medium that decreases the tendency of oil paints to retain brush marks as they dry. It is slightly thicker than regular linseed oil and more resistant to yellowing. It makes an excellent glazing medium when mixed with dammar varnish and turpentine.  

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Artists' Low Odour White Spirit

Loxley low odour white spirit is a petroleum solvent with less pungent smell than traditional white spirit for thinning oil paint and cleaning brushes. It is a cheaper alternative to Distilled Turpentine and does not deteriorate in storage and evaporates without leaving residue. 


Artists' Oil Gloss Varnish

Loxley Artists’ Oil Gloss Varnish gives oil paintings a quality permanent gloss finish and protective layer which prevents dust and moisture getting into the paint. The varnish is transparent and non-yellowing and can be removed for restoration work if required. Apply the varnish only when the oil paint has completely dried. 

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Artists' Dammar Varnish

A traditional high gloss resin based varnish for use on oil and alkyd paintings which dries quickly and tends to darken with age. It is great for glazing as it can be mixed with the oil paint, increasing transparency and speeding up the drying time. Dammar varnish can be removed for restoration with turpentine. Apply as a top coat only when the oil paint is completely dried. 

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Superfine Retouching Varnish

Loxley Superfine Retouching Varnish is a gloss varnish which gives temporary protection to recently completed oil paintings whilst they are still drying. Unlike normal varnishes, it is possible to paint on top of Retouching Varnish which refreshes the colours so that they can be reworked at a later stage. The varnish can be removed using white spirit if needed. 

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Drying Time of Paint

It is important to be aware about the drying time of oil paint, as the colours tend to have different drying times. This is because the various pigments dry at different rates, which may cause problems with cracking of layers. 

  • Fastest drying mediums take around 2 days. 
  • Medium drying mediums take around 5 days.
  • Slow drying mediums take more than 5 days. 

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