Mediums and Siccatives
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Schmincke Medium W
Starting at: £9.60
Schmincke Medium W is an odourless, jelly-like ("lean") medium for mixing oil colours with water instead of organic solvents such as turpentine or turpentine substitute. It increases gloss and transparency, reduces viscosity and harmonizes the drying process.
Dosage: 50%
Thinner: Water
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Schmincke Medium L 180ml
£15.00Schmincke Medium L is a jelly-like medium for “soft” painting with oil colours. It improves flow and reduces brush strokes, accelerates drying, increases gloss and transparency. There is no change of the product quality based on the colour change of the raw material alkyd resin. Shake well and stir – if necessary – before use. Close immediately after use.
Contains: alkyd resin, mineral spirit, siccative.
Dosage:10% to 20% maximum.
Thinner: Turpentine substitute
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Roberson Studio Safe Beeswax Medium
Starting at: £18.60
A safe wax medium for impasto effects. This medium retains palette knife marks and brush strokes, remains thick and doubles paint easily, drying to a matt finish.
Studio Safe products are non-aromatic, non-flammable, and have a pleasant orange smell.
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Roberson Satin Glaze Medium
Starting at: £9.80
Mix with tube oil colours or pigment to improve flow and translucency. For thin glazes, fine details and smooth brushwork. Learn More -
Gamblin Gamsol Mineral Sprit
Starting at: £11.00
Gamsol is an odourless mineral spirit created by the American company Gamblin. They describe it as "the safest solvent that allows oil painters to utilize all traditional painting techniques without compromise."
Please see below for Gamsol's primary applications.
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Gamblin Galkyd Medium
Starting at: £12.00
Galkyd is an oil painting medium created by Gamblin. They write:
"Galkyd thins oil colours and increases transparency and gloss. When used in greater proportions with oil colour, Galkyd will level brush-strokes, creating an enamel-like surface. Galkyd is our fastest-drying painting medium. Thin layers will be touch-dry in approximately 24 hours."
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Gamblin Galkyd Gel "G Gel" 150ml
£20.00Galkyd "G" Gel is produced by Gamblin. They say:
"Galkyd Gel is a stiffer gel compared to Neo Megilp that holds thicker, sharper brushmarks and dries more quickly. Galkyd Gel increases transparency of oil colours and creates impasto."
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Gamblin Solvent-Free Gel
Starting at: £6.50
Gamblin Solvent-Free Gel is manufactured by the American company Gamblin. They write:
"Gamblin Solvent-Free Gel is the only solvent-free painting medium that supports a broad range of painting techniques with minimal compromise. Solvent-Free Gel gives colours more flow and transparency, yet holds the shape of your brushmark. Solvent-Free Gel has a moderately fast drying rate and increases gloss. Made from safflower oil and alkyd resin, Gamblin Solvent-Free Gel is non-toxic and contains no Gamsol or petroleum distillates. In comparison to other solvent-free mediums, Gamblin Solvent-Free Gel supports the broadest range of painting techniques with the least compromise across color, dry time, texture and mark-making. To ensure proper drying of paint layers, Solvent-Free Gel should be used in moderation with oil colors. No more than 25% by volume. To avoid wrinkling, apply mixtures of Solvent-Free Gel and oil colors thinly. To paint solvent-free, we recommend Gamblin Safflower Oil for cleaning brushes while you are working. After your painting session, brushes can be further cleaned using Gamsol and/or soap and water."
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Gamblin Galkyd Lite Medium
Starting at: £12.00
Galkyd Light is produced by Gamblin. They write:
"Galkyd Lite thins oil colours and increases transparency and gloss. When used in moderation with oil colours, Galkyd Lite will retain brushstrokes. Galkyd Lite is more fluid and less glossy compared to Galkyd. Thin layers will be touch-dry in 24 to 30 hours."
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Gamblin Solvent-Free Fluid Medium
Starting at: £12.00
Gamblin Solvent-Free Fluid is an oil painting medium created by the American company Gamblin. They write:
"Gamblin Solvent-Free Fluid painting medium gives oil colours more flow and transparency. It has a moderately fast drying rate and increases gloss. Made from safflower oil and alkyd resin, Gamblin Solvent-Free Fluid is non-toxic and contains no Gamsol or petroleum distillates. To ensure proper drying and prevent beading-up of paint layers, Solvent-Free Fluid should be used in moderation with oil colours – no more than 25% by volume. To avoid wrinkling, apply mixtures of Solvent-Free Fluid and oil colors thinly. For underpainting, we recommend adding Gamsol to Solvent-Free Fluid."
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Gamblin Cold Wax Medium
Starting at: £12.00
* Only available online.* Cold Wax medium is made by Gamblin. They say:
"Cold Wax medium is made from naturally white, pure beeswax. Formulated to knife consistency, Cold Wax Medium makes oil colours thicker and more matte. Cold Wax Medium can be used to make Gamblin mediums and Gamvar more matte. It can also be applied alone as a matte varnish."
Please see below for more information.
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Gamblin Neo-Megilp Medium
Starting at: £12.00
Neo-Megilp Medium is produced by Gamblin. They say:
"Neo Megilp is a contemporary version of Maroger. This soft gel medium maintains the body of oil colours, increases transparency and flow, and imparts a smooth, silky feel. Neo Megilp dries at a moderate rate and remains workable for hours. Neo Megilp gives colours a satin gloss."
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Michael Harding Oil Paint Medium PM1
Starting at: £9.95
PM1 is a basic paint medium, designed to increase the flow of your oil paints and the gloss and transparency of your paint layers, adding to the depth and beauty of the your pigment colour. The inclusion of linseed stand oil in the recipe of this oil based medium prevents the “yellowing” of your paint film.
Recommendation: Add 10-20% to your oil colour as you require.
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Roberson White Siccative
Starting at: £8.40
A strontium-based siccative, milder than cobalt driers. Add sparingly to oil colours to accelerate drying, particularly recommended for pale colours. Learn More -
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Michael Harding Miracle Medium
Starting at: £12.00
MM0 Miracle Medium is a solvent-free, odourless, vegan, and plant-based Medium that serves as an alternative to traditional turpentine. This medium offers artists a natural and sustainable option for thinning oil paints, cleaning brushes, and glazing (see our MM2 Quick Dry Dammar Varnish Miracle Medium) without the use of harsh chemicals or toxic fumes. CAN EXTEND DRYING TIME. ADD 5-10% TO OIL COLOUR AS NEEDED. Oil paint artists use MM0 Miracle Medium in several ways: Artists may dip their brush in MM0 Miracle Medium before applying it to the paint to achieve the desired consistency. Clean brushes: MM0 Miracle Medium can be used to clean oil paint brushes. After painting, artists may rinse their brushes in MM0 Miracle Medium to remove excess paint and then wash the brushes with soap and water – Use as a painting medium to mix with oil paints, enhancing flow and transparency – Clean brushes by dipping them in the medium and wiping them clean. – Dilute or thin oil paints without the use of traditional solvents. – CAN EXTEND DRYING TIME. ADD 5-10% TO OIL COLOUR AS NEEDED. – Available in 100ml, 250ml and 1 Litre. Learn More -
Michael Harding Oil Paint Miracle Medium
Starting at: £12.60
Introducing Michael Harding Solvent-Free Mediums: Miracle Medium™—crafted for artists seeking safer, eco-friendly alternatives to traditional solvents. Derived from renewable vegetable sources, our Miracle Medium offers an odourless formula, eliminating the need for solvents in your studio. With MH Miracle Medium, artists can enjoy a studio environment free from harmful effects associated with solvents. The Miracle Medium™ plant-based range not only ensures environmental sustainability but also creates a safer space for artists and their loved ones Learn More -
Roberson Canada Balsam Medium
Starting at: £39.10
A high quality painting medium which will produce a deep glow, made from Canada Balsam and Turpentine. Especially effective with transparent oil colours, it is recommended as the medium of choice in the final stages of an oil painting. Learn More -
Roberson Matt Medium
Starting at: £13.50
Roberson's Matt Medium creates a dead-flat finish when mixed with oil colour. It aids the flow and increases the artist's control of oil paint, allowing for smooth application flat brush marks with low edges. It can be mixed with oil paint in any ratio. Learn More -
Studio Safe Liquid Medium
Starting at: £17.10
Studio Safe Liquid Medium is a mix of Studio Safe Solvent and natural artists' oils. It is used to thin paint and increase gloss. This product is non-aromatic, non-flammable and has an orange scent. Learn More -
Schmincke Solvent-Free Transparent Gel Oil Medium
Starting at: £7.30
Schmincke Solvent-Free Transparent Gel Oil Medium improves gloss and transparency of oil colours. To be mixed in ratio 1:1. Starts to dry on palette within 30 mins. Alkyd resins/mineral spirit. Learn More -
Schmincke Mussini Oil Medium 1
Starting at: £9.45
From the Schmincke website:
Low-fat (“lean”) painting and thinning medium for oil colours. Recommended for thin grounds and to create transparent layers over gouache, tempera and acrylic paintings; thins without hardly affecting the drying time and gloss. Dosage: 10% to max. 20%
Contains: Safflower oil, natural and synthetic resins, mineral spirit.
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Schmincke Mussini Oil Medium 2
Starting at: £9.45
A slow-drying medium that allows for extending the working period, wet-in-wet painting and blending techniques.
From the Schmincke website:
Medium for oil colours rich in oil. Retards drying; allows wet-in-wet painting; its high content of oil and resin improves the gloss and develops a smooth, elastic film. Dosage: 10% to 20% maximum.
ontains: sunflower oil, stand oil, mineral spirit, aldehyde resin
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Schmincke Mussini Oil Medium 3
Starting at: £9.45
Highly siccative painting medium. Dries on the palette with 40 minutes. Use sparingly to prevent gloss.
From the Schmincke website:
Medium for oil colours rich in resin (“lean”). Accelerates drying; increases gloss and depth; makes the colour layers more resistant. Close immediately after use. Dosage: 10% to 20%.
Contains: aldehyde resin, mineral spirit, siccative, stand oil.
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Schmincke Malbutter Oil Medium
Starting at: £8.20
A gel medium that increases the buttery character of oil colours and decreases their drying time. Useful for impasto techniques and knife application. Add to oils in a maximum ratio of 1:4. Contains alkyd resin.
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Schmincke Rapid Oil Medium
Starting at: £9.60
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Fast drying, increases flow and transparency of oil colours. Paint Fast drying, increases flow transparency of oil colours. Learn More -
Schmincke Oil Medium N
Starting at: £9.60
This product does not contain turpentine, and can therefore be suitable for artists with allergies.
From the Schmincke website:
A neutral, nearly non-yellowing, painting and thinning medium for oil colours. Suitable for all painting techniques except for early layers on absorbent undergrounds (not lean enough); has a low impact on drying time. For dilution, use terpin (max. 30%). Dosage: 10 to max. 20%. Contains: alkyd and acrylic resin, mineral spirit.
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Winsor & Newton Liquin Original
Starting at: £9.20
From the Winsor & Newton website: This reliable favourite is a general purpose semi gloss medium which speeds drying, improves flow and reduces brush stroke retention. Halves the drying time of conventional oil colour (touch dry in 1-6 days depending on colour and film thickness). Resists yellowing. Not suitable as a varnish or final coat. Learn More -
Winsor & Newton Liquin Impasto
Starting at: £11.65
From the Winsor & Newton website: A quick drying, semi-gloss medium which thickens slowly and extends tube colour retaining crisp textures brush marks without any visible levelling. Speeds drying (touch dry in 1-6 days depending on colour and film thickness). Resists yellowing. Not suitable as a varnish or final coat.
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Winsor & Newton Liquin Fine Detail
Starting at: £9.20
From the Winsor & Newton website: The most fluid of the Liquin family of products, this quick drying, gloss medium is ideal for fine details, glazing and blending, or to produce a smooth surface picture. Speeds drying (touch dry in 1-6 days depending on colour and film thickness).Resists yellowing. Not suitable as a varnish or final coat.
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