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Oil Painting Mediums

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Artists' colours are the basic ingredients for the painter. However, the range of oils, mediums, varnishes and solvents are additional ingredients from which an infinite variety of adjustments can be made to the colour, all to suit the individual creative  vision of the artist.

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Find out more about the range of oil mediums we stock on our info pages:

> Oil Mediums
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85 products
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Cobra Water Mixable Painting Paste

Purpose: Increasing the transparency, while retaining the viscosity.
 Composition: Vegetable oils and thickening agents.
 
 
from £6.49

Cobra Water Mixable Painting Medium

4 reviews
Purpose: Increasing the flow and/or transparency, makes the paint fatter.
Composition: Vegetable oils, synthetic resins and water.
 
from £4.60

Cobra Water Mixable Glazing Medium

Purpose: Increasing the flow and/or transparency, makes the paint fatter.
 Composition: Vegetable oils and synthetic resins.
 
from £5.40

Daler Rowney Oil Painting Medium

1 review

Daler Rowney Oil Painting Medium is the ideal all-purpose painting medium.

£6.15

Cobra Aerosol Varnish 400ml

2 reviews

Working with Cobra is even more fun and easy with these varnishes that are especially geared to water mixable oil paint techniques

from £11.95

Cobra Water Mixable Quick Drying Medium

Cobra Water Mixable Quick Drying Medium reduces the drying time of Cobra Water Mixable Artists Oil Paints.
from £5.40

Georgian Water Mixable Stand Oil

Daler Rowney's Stand Oil reduces the consistency of oil colours and enhances flow.

£4.60

Georgian Water Mixable Fast Drying Medium

Daler Rowney Georgian Watermixable Fast Drying Medium will speed the drying of your watermixable oil colour and improves their flow.

£4.60

Georgian Water Mixable Linseed Oil

Daler Rowney's Stand Oil reduces the consistency of oil colours and enhances flow.

£4.60

Ghiant Varnish H2O

10 reviews

Waterbased spray varnish for artists with 90% less solvents. Suitable for protection of oil and acrylic paintings.

from £10.75

Zieler Premium Low Odour Aerosol Varnish

Zieler Premium Low Odour Aerosol Varnish is available in Gloss and Matt. This protective spray is water-based, low-odour, acid-free and 90% solvent free. Suitable for oils and acrylics.

from £10.95

Daler Rowney Matt Varnish

1 review

Daler Rowney's Matt Varnish has a matt finish, is non yellowing and is removable with turpentine or white spirit.

£6.16

Daler Rowney Damar Varnish

Daler Rowney's Dammar Varnish has a low gloss finish and is removable with turpentine or white spirit.

£6.15

Daler Rowney Retouching Varnish

1 review

Daler Rowney's Retouching Varnish is a versatile varnish that can be used to restore brightness to areas of your paintings that have dried and dulled. 

from £6.15

Daler Rowney Purified Linseed Oil

Daler Rowney Purified Linseed Oil reduces the consistency of your oil colours and slows down their drying time.

from £4.75

Daler Rowney Linseed Stand Oil

1 review

Daler Rowney's Linseed Stand Oil reduces the consistency of oil colours and enhances flow.

£6.15

Daler Rowney Turpentine

Daler Rowney's Linseed Stand Oil reduces the consistency of oil colours and enhances flow.

from £4.75

Daler Rowney Purified Poppy Oil

Daler Rowney's Poppy Oil is clear in colour and is commonly used to mix with light colours.

£6.15

Daler Rowney Alkyd Flow Medium

1 review

Daler Rowney's Dammar Varnish has a low gloss finish and is removable with turpentine or white spirit.

from £6.15

Daler Rowney Low Odour Thinner

4 reviews

Daler Rowney Low Odour Thinner is an alternative to Turpentine. 

from £4.75

Daler Rowney Clear Picture Varnish

1 review

Daler Rowney's Clear Picture Varnish gives a clear, even finish and will not bloom or yellow. It can be used on both oil and acrylic paintings.

from £6.15

Royal Talens Glossy Picture Varnish 1 litre Bottle

Royal Talens Glossy Picture Varnish 1 litre Bottle provides a durable layer of protection for your oil painting.

£33.95

Artisan Water Mixable Impasto Medium

4 reviews

Impasto Medium is a water mixable impasto and texturing medium for use with Artisan oil colours. 

from £5.88

Winsor & Newton Liquin Impasto Medium

8 reviews

A semi-gloss medium that retains crisp textures and brushstrokes. Extends tube colour and provides bulk.

from £8.34

Artisan Water Mixable Fast Drying Medium

12 reviews

This medium improves the flow and speeds the drying of Artisan oil colours, smooths brushwork and increases gloss and transparency.

from £5.88

Artisan Gloss Varnish

4 reviews

Artisan Gloss Varnish is a water based varnish which does not contain any hazardous solvents.

from £5.88

Artisan Water Mixable Linseed Oil

8 reviews

Artisan Water Mixable Linseed Oil reduces the consistency and improves flow of Artisan oil colours.
 

from £5.88

Artisan Matt Varnish

2 reviews

Artisan Matt Varnish is a water based varnish which does not contain any hazardous solvents.

from £5.88

Artisan Water Mixable Painting Medium

9 reviews

his medium thins the consistency of Artisan oil colours and aids fine detail work.  It also improves the flow and wetting of the colour.

from £5.88

Artisan Safflower Oil

1 review

This oil improves the flow, increases gloss & transparency of Artisan Oil Colour.

from £5.88

Artisan Satin Varnish

Artisan Satin Varnish is a water based varnish which does not contain any hazardous solvents.

from £5.88

Artisan Water Mixable Stand Oil

1 review

The flow and leveling of Artisan oil colours is improved by using Stand Oil.

£5.88

Artisan Thinner

14 reviews

This can be used instead of water or combined with it.

from £5.88

Artisan Varnish Remover

Artisan Gloss, Matt and Satin varnishes can be removed with Artisan Varnish Remover when dirty.

£5.88

Winsor & Newton Artists' Gloss Varnish

11 reviews

A UV resistant gloss varnish which gives temporary protection to recently completed oil paintings. 

from £6.56

Winsor & Newton Artists' Matt Varnish

1 review

A superior matt varnish for use with oil/alkyd/acrylic colours. Dries quickly with non-yellowing film.

from £6.56

Winsor & Newton Artists' Painting Medium

3 reviews

Pale yellow thinning medium which Improves flow and wetting for fine detail.

from £6.56

Winsor & Newton Artists' Picture Cleaner

7 reviews

A natural resin/oil emulsion containing ammonia designed for cleaning varnished paintings.

from £6.56

Winsor & Newton Artists' Retouching Varnish

6 reviews

A UV resistant gloss varnish which gives temporary protection to recently completed oil paintings. 

from £6.56

Winsor & Newton Artists Satin Varnish

9 reviews

A superior quality UV resistant artists’ satin varnish removable with Artists’ White Spirit or Distilled Turpentine. 

from £6.56

Winsor & Newton Artists' White Spirit

6 reviews

Used to dilute oil colours and for cleaning brushes.

from £4.94

Winsor & Newton Blending & Glazing Medium

6 reviews

This new medium slows drying & improves flow. Ideal for blending, glazing, stroke work, antiquing and staining. 

£6.56

Winsor & Newton Brush Cleaner

15 reviews

Water-miscible solvent removes dried oil, alkyd & acrylic colour from brushes.

from £3.40

Winsor & Newton Dammar Varnish

2 reviews

A pale yellow varnish which dries to a high gloss for use on oil and alkyd paintings. It tends to darken with ageing and is removable with Distilled Turpentine.

£6.56

Winsor & Newton Drying Linseed Oil

5 reviews

An oil which increases the drying rate of oil colours.

£6.56

Winsor & Newton Drying Poppy Oil

3 reviews

A fast-drying, pale oil made from poppy seeds which is well suited for whites and pale colours. 

£6.56

Winsor & Newton English Distilled Turpentine

10 reviews

Used to dilute oil colours and cleaning brushes. Has good wetting properties.

from £4.94

Winsor & Newton Cold-Pressed Linseed Oil

1 review

A slightly yellow oil, which is extracted without the use of heat & dries slightly quicker than refined linseed oil. 

£6.56

Winsor & Newton Refined Linseed Oil

8 reviews

Reduces the oil colour consistency, increases gloss & transparency whilst slowing down drying rate.

from £4.94

Winsor & Newton Linseed Stand Oil

2 reviews

Use with white spirit to improve flow. Retards drying.

£6.56

Winsor & Newton Thickened Linseed Oil

A pale refined oil of syrupy consistency which behaves like Linseed Stand Oil but dries quicker and darker. 

£6.56

Winsor & Newton Liquin Original

38 reviews

Low gloss medium, improves flow & transparency. All Liquin mediums halve the drying time of oils.

from £6.56

Winsor & Newton Liquin Fine Detail Medium

13 reviews

A fluid gloss medium ideal for fine detail and smoothly blended areas with no brushmarks. Resists yellowing.

from £6.56

Winsor & Newton Liquin Light Gel Medium

3 reviews

A slight gel that gives a non-drip effect when mixed with colour. Ideal for glazes. Dries to a gloss non-yellowing finish.

from £6.56

Winsor & Newton Safflower Oil

A slow-drying oil which improves the flow and is well suited for pale colours.

£6.56

Winsor & Newton Sansodor

25 reviews

Low odour diluent. Slow to evaporate and useful in controlling oils.

from £4.94

Winsor & Newton Liquin Oleopasto

4 reviews

Speeds up drying and is ideally suited for impasto techniques.

£18.08

Winsor & Newton Aerosol Varnish

20 reviews

Gloss, Matt & Satin aerosol varnishes for Oils, Alkyds and Acrylics.

from £13.11

Spectragel Medium

3 reviews

A thixotropic alkyd medium designed to mix with oil colours, retaining the body of the paint.

from £11.68

Matt Spectragel Medium

1 review

A medium designed to mix with oil colours, retaining the body of the paint.

from £13.25

Spectraflow Medium

Free flowing, slightly thixotropic medium

from £11.95

Alkaflow Medium

A free flowing, alkyd based, gloss medium which may be used to thin oil paints.

from £11.17

Thixotropic Alkyd Primer

2 reviews

Multi-purpose primer for all types of oil painting

from £9.95

Michael Harding Refined Linseed Oil

Michael Harding’s Refined Linseed Oil is made from the finest materials.

£4.95

Michael Harding Refined Safflower Oil

Michael Harding’s Safflower Oil is made from the finest materials.

£7.80

Michael Harding Refined Walnut Oil

Michael Harding’s Walnut Oil is made from the finest materials. 

£8.84

Michael Harding Refined Linseed Stand Oil

Michael Harding’s Linseed Stand Oil is made from the finest materials. 

£6.76

Michael Harding Refined Gum Turpentine

1 review

Michael Harding’s Refined Gum Turpentine is made from the finest grade genuine Turpentine. 

£4.16

Michael Harding Refined Poppy Oil

Michael Harding’s Poppy Oil is made from the finest materials.

£9.88

Michael Harding Oil Paint Medium

Michael Harding’s Oil Paint Medium is made from the finest materials. 

£6.83

Michael Harding Dammar Glaze Medium

Michael Harding’s ‘Dammar Glaze Medium’ is a medium that will add depth and gloss to transparent colours.

£8.03

Michael Harding Resin Oil Wax Medium

Michael Harding’s Resin Oil Wax Medium gives your paint layers a gentle impasto texture and creates a satin sheen. 

£8.03

Michael Harding Beeswax Paste

Michael Harding’s Beeswax Paste is formulated from a mixture of linseed stand oil and pure bleached beeswax. 

£10.88

Michael Harding Oleo Resin Medium

Michael Harding’s Oleo Resin Medium gives high gloss levels and adds depth to paint films.

£18.22

Michael Harding Balsam Resin Glaze Medium

Michael Harding’s Balsam Resin Glaze medium has a pleasant smell and can be added to your oil colours to enhance depth, gloss and lustre.

£20.47

Michael Harding Dammar Varnish

Michael Harding’s Dammar Varnish is used as a final picture varnish and creates a subtle gloss finish.

£9.11

Michael Harding Matt Varnish

Michael Harding’s Matt Varnish provides your paintings with a long lasting protective coating and gives a beautiful matt finish.

£9.65

Bob Ross Oil Paint Medium Floral

4 reviews

For thinning and mixing slow-drying oil colours.

£6.08

Bob Ross Brush Conditioner

Bob Ross Brush Conditioner helps keep your oil painting brushes in tip top condition. This product helps condition your brushes and maintain their original form.

£6.25

Loxley Low Odour White Spirit

8 reviews

For thinning oil colours & cleaning brushes.

£10.50

Sennelier Green for Oil Thinner

3 reviews

Sennelier Green for Oil thinner can be used in the same way as a traditional thinner; ixing this thinner in with your oil paint for a fluid consistency.

from £6.08

Sennelier Green for Oil Liquid Medium

Perfect substitute for universal medium.

Materials derived from plant-based chemistry.  

Use: This medium will enable you to improve the cons

from £8.40

Sennelier Green for Oil Brush Cleaner

4 reviews

Sennelier Green for Oil Brush Cleaner is a non-toxic fluid that can be used to clean and maintain your painting materials.

from £6.79

Sennelier Green for Oil Gel Medium

Sennelier Green for Oil Gel Medium created for artists who wish to use a heavy paint to build up texture. 

from £4.54

Zest-it Oil Paint Dilutant and Brush Cleaner

63 reviews

The green alternative to white spirit and turps, Zest-It is a natural solvent made from pure ingredients.

from £5.96
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