best solvent for oil painting with 7 Top Picks

As an oil painter, I’ve spent countless hours in the studio, experimenting with different mediums and thinners to achieve just the right consistency and effects in my work. Finding the best solvent for oil painting isn’t a one-size-fits-all quest; it really depends on your specific needs, your studio setup, and your personal preferences for safety and odor. I’ve tested various options over the years, and in this guide, I’ll share my hands-on insights into seven top picks, covering everything from traditional mineral spirits to innovative solvent-free alternatives, to help you make an informed choice for your artistic journey.

IMAGE	PRODUCT NAME	AMAZON LINK
	Gamblin Solvent Free Gel Medium Oil 150Ml	View on Amazon
	Odorless Paint Thinner for Oil Painting – Oil Painting…	View on Amazon
	Gamblin Solvent-Free Fluid Oil Painting Medium, 8.5 Fluid…	View on Amazon
	Eco Safety SoyThin Odorless Paint Thinner for Oil Painting,…	View on Amazon
	Real Milk Paint, Orange Peel Oil, Natural Alternative to…	View on Amazon
	U.S. Art Supply Odorless Mineral Spirits 4.2oz (125ml)…	View on Amazon
	Masterson Paint and Solvent Cups, Dripless Full Sealing…	View on Amazon

1. Gamblin Solvent Free Gel Medium Oil 150Ml

This Gamblin gel medium is a fantastic alternative for artists looking to avoid traditional solvents entirely. It’s not a solvent in the traditional sense for cleaning brushes, but rather a medium that thins paint, increases transparency, and adds body to your brushstrokes without any harsh fumes. I find it especially useful when I want to extend my paints and create luscious impasto textures while keeping my studio air clean. It offers a beautiful viscosity that holds brushstrokes and allows for a longer open time, making blending a dream.

Key features that stand out:
– Solvent-Free Formulation: Eliminates the need for traditional solvents, promoting a safer studio environment.
– Thick Gel Consistency: Increases paint body and allows for expressive impasto effects.
– Extends Paint: A little goes a long way, helping to stretch your expensive oil paints.
– Increases Transparency and Sheen: Enhances color depth and gives a lovely luster to your finished piece.

Pros:
– Significantly reduces studio fumes and health risks associated with solvents.
– Great for achieving unique textures and adding body to paint.
– Extends drying time, offering more flexibility for blending.

Cons:
– Not suitable for brush cleaning; you’ll need soap and water or another dedicated cleaner.

Best for: Artists seeking a solvent-free way to modify paint consistency, add texture, and extend colors without sacrificing open time or vibrancy.

Expert Opinion: This gel medium is an excellent choice for health-conscious artists or those with limited ventilation. It truly shines when you want to build up layers or create bold, textured paintings, letting you focus on your art rather than air quality.

2. Odorless Paint Thinner for Oil Painting – Oil Painting…

When you’re looking for a reliable, low-odor option for thinning your oil paints and cleaning your brushes, this odorless paint thinner is a strong contender. Its ultra-smooth, high-quality odorless mineral oil formula is designed to seamlessly blend with oil-based paints, allowing you to achieve various consistencies without altering color integrity. I’ve found it to be incredibly effective for thinning stiff paints and for cleaning my brushes efficiently after a session, all while maintaining a relatively low-fume environment, which is a big plus for indoor painting.

Key features that stand out:
– Ultra-Smooth, High-Quality Odorless Mineral Oil: Thins and blends oil paints effectively without preserving color integrity.
– Odorless Dilution Technology: Specifically developed for artists to eliminate the harsh odor of traditional thinners.
– Evaporates Cleanly: Leaves no residual odor or residue once dry, ensuring your artwork remains pristine.
– Versatile Use: Ideal for thinning heavy-bodied oils, modifying mediums, and minimizing brush strokes.

Pros:
– Significantly reduces objectionable aromatic solvent content, making it great for indoor use.
– Effectively thins oil paints and is excellent for brush cleaning.
– Dries cleanly without leaving residue.

Cons:
– While “odorless,” some sensitive individuals might detect a very faint scent.

Best for: Oil painters of all skill levels who need a versatile thinner and cleaner for indoor studio or classroom use, prioritizing low odor.

Expert Opinion: This is a solid, go-to option if you’re sensitive to strong smells but still want the thinning and cleaning power of mineral spirits. It performs reliably for both purposes, making it a staple in many artists’ studios.

3. Gamblin Solvent-Free Fluid Oil Painting Medium, 8.5 Fluid…

Similar to its gel counterpart, the Gamblin Solvent-Free Fluid is another excellent choice for artists aiming to reduce solvent exposure. This fluid medium increases the flow and transparency of your oil paints without introducing any solvents, making it perfect for glazing, blending, and creating smooth transitions. I often reach for this when I want to achieve delicate washes or thin layers without speeding up the drying time too much, ensuring I have ample time to work. It’s incredibly easy to incorporate into your paint, offering a silky texture.

Key features that stand out:
– Solvent-Free Fluid Medium: Enhances paint flow and transparency without traditional solvents.
– Ideal for Glazing and Blending: Allows for smooth, even applications and subtle color shifts.
– Increases Transparency: Helps create luminous, layered effects in your paintings.
– Consistent Drying Time: Maintains the open time of your paints, giving you more working flexibility.

Pros:
– Eliminates solvent odors and health concerns.
– Excellent for achieving smooth glazes and fluid brushwork.
– Doesn’t significantly alter drying time, unlike some faster-drying mediums.

Cons:
– Like the gel, it’s not designed as a brush cleaner.

Best for: Artists who want a solvent-free way to thin their paints for glazing, blending, and achieving smoother applications without compromising air quality.

Expert Opinion: If you love working with fluid paint and glazes but want to avoid the fumes, this Gamblin fluid medium is a must-have. It delivers professional results while keeping your studio environment pleasant.

4. Eco Safety SoyThin Odorless Paint Thinner for Oil Painting,…

The Eco Safety SoyThin offers an innovative, plant-based approach to paint thinning and brush cleaning. This unique formula, derived from petroleum distillates and refined organic soy methyl ester, provides superior dissolving power with significantly less hazardous vapors. I was impressed by how effectively it thins oil paints for glazing and modifies consistency, all while being remarkably low-odor. Plus, it doubles as an excellent brush cleaner, keeping bristles soft and extending their lifespan, which is a huge bonus for any artist.

Key features that stand out:
– Soy-Based Additives: Combines traditional thinning power with organic plant-based ingredients for a safer experience.
– Low Volatile Solvent Odors: A turpentine alternative that reduces hazardous vapors for indoor painting.
– Superior Dissolving Power: Effectively thins oil paints and glazes to achieve desired artistic effects.
– Cleans & Conditions Brushes: Maintains soft, absorbent bristles, reducing the need for frequent replacements.

Pros:
– Significantly reduces unpleasant odors and hazardous vapors.
– Acts as both a paint thinner and an effective brush cleaner/conditioner.
– Extends the lifespan of paint brushes with its conditioning properties.

Cons:
– While low-odor, some artists might prefer a completely scent-free experience.

Best for: Environmentally conscious artists seeking a safe, versatile, and effective low-odor thinner and brush cleaner for oil paints, especially for indoor use.

Expert Opinion: SoyThin is a fantastic all-in-one solution that truly elevates the painting experience. Its dual functionality for thinning and cleaning, combined with its low odor and brush-conditioning benefits, makes it a top choice for a healthy studio.

5. Real Milk Paint, Orange Peel Oil, Natural Alternative to…

For those seeking a truly natural and planet-friendly alternative to conventional solvents, Real Milk Paint’s Orange Peel Oil is a breath of fresh air—literally! Made from 98% pure citrus peel oil and 2% water, it offers a wonderfully aromatic, non-toxic way to thin oil paints and clean brushes. I love the natural orange scent, which is a pleasant change from the chemical smell of traditional thinners. It’s also incredibly versatile, working as a degreaser and even a paint remover, proving that effective doesn’t have to mean harsh.

Key features that stand out:
– 98% Pure Citrus Peel Oil: A natural solvent extracted from orange fruit peel, offering a pleasant aroma.
– Planet Friendly: Does not contribute to ozone depletion or smog, easily disposed of safely.
– Versatile Use: Acts as a paint thinner for oil paints, a cleaner, and a heavy-duty degreaser.
– Effective Brush Cleaner: Powerful enough to clean brushes and tools, acting as an oil paint brush cleaner.

Pros:
– Completely natural and non-toxic, with a pleasant citrus aroma.
– Eco-friendly disposal with no threat to the environment.
– Highly versatile for thinning, cleaning, and degreasing.

Cons:
– The citrus scent, while natural, might be too strong for some individuals.

Best for: Eco-conscious artists looking for a natural, aromatic, and highly effective multi-purpose solvent for thinning oil paints and cleaning tools.

Expert Opinion: If you’re sensitive to synthetic chemicals or simply prefer natural products, this orange peel oil is a game-changer. It’s surprisingly powerful and leaves your studio smelling fresh, making it a unique and delightful best solvent for oil painting choice.

6. U.S. Art Supply Odorless Mineral Spirits 4.2oz (125ml)…

The U.S. Art Supply Odorless Mineral Spirits offers a premium, highly refined solvent formula in a convenient small size, perfect for trying out or for artists who don’t need large quantities. It effectively thins oil-based paints, stains, and varnishes, performing much like traditional turpentine but without the unpleasant odor. I’ve used this for both thinning my paints to a workable consistency and for thoroughly cleaning my brushes, and it does an excellent job. Its small size makes it great for travel or for a compact studio setup.

Key features that stand out:
– Premium Highly Refined Solvent Formula: Effectively thins and blends into oil-based paints, stains, and varnishes.
– Odorless Alternative to Turpentine: Provides the same performance without the strong, unpleasant fumes.
– Excellent for Cleaning: Ideal for cleaning paint brushes, tools, and equipment immediately after use.
– Versatile for Art Applications: Can be used for oil painting and blending with colored pencil art.

Pros:
– Highly effective for thinning and cleaning, a true workhorse.
– Significantly reduces odor compared to traditional mineral spirits.
– Small, convenient size for portability or limited use.

Cons:
– As a combustible product, it requires careful handling and storage.

Best for: Artists needing a reliable, low-odor mineral spirits for thinning and cleaning in a manageable size, especially for travel or small studio spaces.

Expert Opinion: This is a classic, dependable choice for a reason. Its effectiveness and reduced odor make it a practical staple for any oil painter, especially for routine cleaning and thinning tasks where you need clear results without the fuss.

7. Masterson Paint and Solvent Cups, Dripless Full Sealing…

While not a solvent itself, the Masterson Paint and Solvent Cups are an indispensable accessory for any artist working with oil paints and the best solvent for oil painting. These airtight, dripless containers are specifically designed for storing paints, oil painting mediums, and, crucially, solvents like turpentine or odorless mineral spirits. I’ve found them incredibly useful for portioning out my solvents for a painting session, keeping them fresh, and preventing spills. Their full-sealing design means less evaporation and odor escaping into the studio, which is a huge benefit when working with any type of solvent.

Key features that stand out:
– Airtight, Dripless Design: Prevents spills and reduces evaporation of solvents and mediums.
– Quality Resins: Composed of durable materials that safely hold various solvents.
– Convenient Small Size: Each cup holds 0.5 ounces, perfect for individual solvent portions.
– Fits Masterson Sta-Wet Palette: Designed to integrate with a popular palette system for organized use.

Pros:
– Keeps solvents fresh and prevents premature evaporation.
– Significantly reduces solvent odors in the studio due to the tight seal.
– Prevents messy spills and keeps your workspace tidy.

Cons:
– You’ll still need to purchase your actual solvent separately.

Best for: Any oil painter who wants to efficiently manage and store their solvents and mediums, reduce fumes, and maintain a clean, organized studio space.

Expert Opinion: Don’t underestimate the power of good organization when using solvents. These cups are a game-changer for safety and efficiency, ensuring your chosen best solvent for oil painting is used and stored responsibly. They’re an essential part of a well-equipped studio.

Helpful Comparison Short Insights

When choosing the best solvent for oil painting, it really boils down to your priorities. For health and safety, the Gamblin Solvent Free Gel and Fluid mediums are top contenders, as they eliminate solvents entirely, focusing on modifying paint rather than thinning for cleaning. Similarly, the Eco Safety SoyThin and Real Milk Paint Orange Peel Oil offer excellent, low-VOC or natural alternatives for both thinning and cleaning, providing a much more pleasant studio environment with their reduced or natural scents.

If you prefer the reliable performance of traditional mineral spirits but want to avoid the harsh smell, the Odorless Paint Thinner and U.S. Art Supply Odorless Mineral Spirits are your go-to options. They thin paints effectively and clean brushes thoroughly with minimal odor impact. Remember that even “odorless” mineral spirits still require good ventilation. Finally, for keeping all your chosen solvents tidy and reducing fumes, the Masterson Paint and Solvent Cups are an absolute must-have accessory, making your solvent use much more manageable and safer.

Final Verdict

Deciding on the “best” solvent for oil painting truly hinges on an artist’s individual circumstances. If minimizing fumes and health risks is paramount, Gamblin’s Solvent-Free Fluid or Gel mediums, or the Eco Safety SoyThin, stand out for their innovative, low-odor, or no-odor formulas. For a natural approach with a pleasant scent, Real Milk Paint’s Orange Peel Oil is an exceptional choice. Those who prefer the tried-and-true performance of mineral spirits but with reduced odor will find the Odorless Paint Thinner or U.S. Art Supply Odorless Mineral Spirits to be highly effective. Ultimately, the right solvent is one that fits your artistic workflow, respects your health, and aligns with your studio environment. Don’t forget proper storage with something like the Masterson Solvent Cups to enhance safety and efficiency, regardless of your choice.

Comprehensive FAQ Section

Q1: What is the main difference between an “oil painting solvent” and a “medium”?
A1: A solvent for oil painting, like mineral spirits or turpentine, is primarily used to thin paint for washes, improve flow, and most commonly, to clean brushes and tools. It evaporates completely. A medium, on the other hand, is added to paint to modify its working properties (e.g., increase transparency, thicken, extend drying time, add gloss) and usually contains binders that become part of the paint film. Some mediums are solvent-free, but they aren’t meant for cleaning.

Q2: Are “odorless” mineral spirits truly odorless, and are they safer?
A2: “Odorless” mineral spirits (OMS) have had the aromatic hydrocarbons that cause strong odors removed. While they are significantly less odorous than traditional mineral spirits or turpentine, they are not completely odorless for everyone, and some highly sensitive individuals might still detect a faint scent. They are generally considered safer due to fewer volatile organic compounds (VOCs) contributing to respiratory irritation, but proper ventilation is still crucial as they are still solvents and release fumes.

Q3: Can I use natural alternatives like orange peel oil as the best solvent for oil painting?
A3: Yes, natural alternatives like orange peel oil or spike lavender oil can be excellent choices as the best solvent for oil painting. They are derived from plants, often smell pleasant, and can effectively thin paints and clean brushes. However, like all solvents, they should still be used in a well-ventilated area, and some natural solvents can be stronger than others, so always test them first.

Q4: How do I safely dispose of used oil painting solvents?
A4: You should never pour used solvents down the drain. Allow solids (paint pigment) to settle at the bottom of the container. Pour the relatively clear solvent into a separate, labeled container for reuse (it will be cloudy but effective for initial brush cleaning). The sludge at the bottom and heavily contaminated solvent should be collected and disposed of according to your local hazardous waste regulations. Many communities have specific drop-off points for chemical waste.

Q5: Why is ventilation so important when working with the best solvent for oil painting?
A5: Ventilation is critical because most solvents release volatile organic compounds (VOCs) into the air as they evaporate. Inhaling these fumes can cause headaches, dizziness, nausea, and, with prolonged exposure, more serious health issues. Good ventilation (open windows, fans, air purifiers, or even outdoor painting) helps dissipate these fumes, reducing your exposure and ensuring a healthier working environment, even when using “odorless” or natural options.

Q6: What is the best solvent for oil painting for beginners who are concerned about safety?
A6: For beginners concerned about safety, especially regarding fumes, solvent-free mediums (like Gamblin’s options) are excellent for modifying paint consistency. For thinning and brush cleaning, an odorless mineral spirits (like the Odorless Paint Thinner or U.S. Art Supply OMS) used with good ventilation is a popular and safer choice. Alternatively, natural options like Eco Safety SoyThin or Real Milk Paint Orange Peel Oil also provide effective, less hazardous solutions. Always prioritize good ventilation, no matter which best solvent for oil painting you choose.

Q7: Can I use household turpentine or mineral spirits for oil painting?
A7: While household turpentine and mineral spirits are solvents, they are typically not refined to the same standards as artist-grade products. Household versions may contain impurities that can yellow paint over time, affect paint film stability, or have a much stronger, more irritating odor. For the longevity and integrity of your artwork, it’s always recommended to use artist-grade solvents specifically formulated for oil painting.