Choosing the best thinner for oil based paint can make all the difference in your painting projects. Whether you’re an artist aiming for perfect brushstrokes or a DIY enthusiast tackling a home improvement task, the right thinner ensures a smooth, even application and optimal paint consistency. Oil-based paints, known for their durability and rich finish, often require thinning to achieve desired flow, extend drying time, or facilitate easier cleanup. This guide will walk you through our top picks, helping you find a reliable oil paint thinner that suits your needs, from low-odor options to specialized formulas.
Quick Product Comparison
Our Top 5 Best Thinner For Oil Based Paint Reviews – Expert Tested & Recommended
1. SENNELIER Green for Oil Solvent-Free Thinner, 100ml
The SENNELIER Green for Oil Solvent-Free Thinner, 100ml, truly stands out as an exceptional choice for those seeking a high-quality, non-toxic option for their oil-based paint thinner needs. This thinner offers remarkable performance, ensuring your oil paints maintain their desired consistency without harsh chemicals. It’s designed for daily use, providing outstanding durability and reliability for artists and hobbyists alike.
Key Features That Stand Out
- ✓ Solvent-Free Formula: Ensures a healthier working environment.
- ✓ Non-Toxic Additives: Safe for use with oil paints, minimizing health risks.
- ✓ Low Odor Profile: Ideal for artists sensitive to strong fumes or working in enclosed spaces.
- ✓ Maintains Paint Consistency: Effectively thins paint without compromising its quality or vibrancy.
- ✓ Versatile Application: Suitable for thinning paints, cleaning brushes, and creating washes.
Why We Recommend It
We highly recommend the SENNELIER Green Thinner for its commitment to safety and performance. Its solvent-free and non-toxic nature makes it a perfect choice for artists concerned about exposure to traditional harsh chemicals. This thinner allows you to achieve the perfect flow for your oil paints, enhancing your creative process without the unpleasant odors associated with conventional solvents.
Best For
This thinner is best for artists sensitive to traditional solvents, those working in enclosed studios or small apartments, and anyone looking for an environmentally conscious and health-friendly option to thin their oil-based paints.
Pros and Cons
Pros:
- Environmentally friendly and biodegradable.
- Virtually odorless, making it comfortable for indoor use.
- Excellent for maintaining the richness and vibrancy of oil colors.
- Safe for prolonged skin contact, reducing chemical exposure.
Cons:
- The 100ml bottle size might be small for very large projects.
- Can be a higher price point compared to traditional mineral spirits.
Customer Reviews
Customer Review: I had been getting headaches for a while using turpentine, and I bought this hoping for a replacement to the fumes I was inhaling before. I’m very sensitive to them, so I knew immediately that this product did not affect me the same way. I use oil paint, and the thickness and viscosity I wanted was
Customer Review: I bought this because I paint in a small apartment and didn’t want to have anything strong smelling. Also I am very sensitive to smell and this one is perfect. This whole brand is amazing!
2. Winsor & Newton Artisan Thinner: A Top Choice for Oil-Based Paints, 75ml.
The Winsor & Newton Artisan Thinner is a fantastic choice for artists working with water-mixable oil paints, earning its spot as a top contender for the best thinner for oil based paint, specifically the Artisan line. This thinner excels in maintaining the paint’s oily feel and significantly extends its open time, preventing the rapid thickening that water can cause. It ensures a smooth application and consistent color integrity, making your painting process more enjoyable and predictable.
Key Features That Stand Out
- ✓ Maintains Oily Feel: Keeps the characteristic texture of oil paints.
- ✓ Extends Open Time: Allows for longer blending and working time compared to water.
- ✓ Prevents Color Thickening: Ensures paint remains workable on the palette.
- ✓ Does Not Form Emulsion: Prevents unwanted color changes and maintains clarity.
- ✓ Specially Formulated for Artisan Oils: Optimized for Winsor & Newton’s water-mixable range.
Why We Recommend It
For those dedicated to Winsor & Newton Artisan Water Mixable Oil Colours, this thinner is indispensable. It addresses the common challenge of rapid drying and thickening often experienced when using water to thin these paints. Its ability to extend blending time and preserve color vibrancy makes it an essential tool for achieving professional results with your oil-based paints.
Best For
This product is best for artists who predominantly use Winsor & Newton Artisan water-mixable oil paints and require an effective solvent to control consistency, extend blending time, and maintain the authentic feel of oil painting.
Pros and Cons
Pros:
- Specifically engineered for water-mixable oil paints, ensuring optimal performance.
- Significantly prolongs the paint’s working time, ideal for complex layers.
- Maintains true color and prevents unwanted dulling.
- Versatile for both thinning paint and cleaning brushes.
Cons:
- Primarily designed for the Artisan line, may not be suitable for traditional oil paints.
- The 75ml quantity might require frequent restocking for prolific artists.
Customer Reviews
Customer Review: Used it to paint three pictures for my sister, still slow drying oils. It probably helped it go faster. It was very cold here at the time and I believe it helped.
Customer Review: A little goes a long way. I am an oil painter of nearly six decades and use this rather than linseed oil as a medium.
3. Premium Airbrush Thinner
The Premium Airbrush Thinner offers a budget-friendly solution for artists who need to adjust paint viscosity, making it a viable option for certain oil-based paint thinner applications, especially when aiming for smooth, even coats. While primarily marketed for airbrush acrylics, its core function of reducing paint thickness without compromising color adhesion or integrity can be beneficial for specific oil painting techniques. It promises enhanced flow, which is crucial for achieving fine details and seamless transitions in your artwork.
Key Features That Stand Out
- ✓ Enhances Coating Effects: Helps achieve smoother and more controlled paint application.
- ✓ Maintains Color Adhesion: Thins paint effectively without weakening its bond to surfaces.
- ✓ Improved Paint Flow: Optimizes viscosity for a consistent and even output.
- ✓ Versatile for Thinning: Can be used to adjust various types of paint (with proper testing for oil-based).
- ✓ Convenient Bottle Size: Comes in a practical 3.4 fluid-ounce bottle for regular use.
Why We Recommend It
This airbrush thinner is a good choice for those needing an affordable option to achieve a smoother consistency. While its primary use is with acrylics for airbrushing, its ability to thin effectively and maintain paint properties can be explored for specific oil-based applications requiring a finer, more controlled flow. It’s a testament to versatile utility when carefully applied.
Best For
This thinner is best for artists on a budget who need to improve the flow of their paints for airbrushing or similar fine-application techniques, and who are willing to test its compatibility for thinning certain oil-based paints to achieve a very smooth finish.
Pros and Cons
Pros:
- Significantly improves paint flow and consistency for detailed work.
- Helps maintain the original pigment intensity and adhesion.
- Offers a cost-effective solution for thinning needs.
- Useful for various painting techniques where smooth viscosity is key.
Cons:
- Primarily formulated for acrylics and airbrush, requiring careful testing for oil paints.
- The milky white color might be a concern for some artists seeking a clear thinner.
- Bottle size might be considered small for heavy or frequent use.
Customer Reviews
Customer Review: If I had one complaint it is that the color is milky white and not clear. Otherwise this thinner works great. I wish it was twice the size, but it was a good value for the price.
Customer Review: If I had one complaint it is that the color is milky white and not clear. Otherwise this thinner works great. I wish it was twice the size, but it was a good value for the price.Read more
4. Winsor & Newton Winton Oil Color Paint, Permanent Alizarin Crimson, 37ml Tube.
While not a thinner itself, the Winsor & Newton Winton Oil Color Paint in Permanent Alizarin Crimson is an excellent example of the high-quality oil-based paints that artists often seek to thin. This 37ml tube delivers exceptional color vibrancy and a smooth consistency straight from the tube, allowing for rich, opaque layers. Its permanence rating ensures your artwork will stand the test of time, and its quality makes it a joy to work with, especially when paired with the right oil paint thinner to achieve various effects.
Key Features That Stand Out
- ✓ Rich Pigmentation: Delivers vibrant and deeply saturated Permanent Alizarin Crimson.
- ✓ High Quality & Affordable: Offers professional-grade results at an accessible price point.
- ✓ Excellent Permanence: Rated ‘A’ for permanent, ensuring long-lasting color.
- ✓ Smooth Consistency: Easy to work with, whether used thickly or thinned.
- ✓ Trusted Brand: From Winsor & Newton, a leader in artist materials.
Why We Recommend It
We recommend this particular paint because the quality of your oil paint significantly impacts the effectiveness of your paint thinner for oil-based paint. A superior pigment like this allows a thinner to work its magic without dulling the color or compromising the paint’s integrity. Its natural consistency is an excellent starting point for various thinning techniques, from creating transparent glazes to achieving fluid lines.
Best For
This paint is best for oil painters seeking a high-quality, permanent crimson hue for their palette. It’s an ideal choice for those who want vibrant colors that respond beautifully to various oil paint thinning techniques, enabling them to explore different textures and transparencies in their artwork.
Pros and Cons
Pros:
- Produces an intensely rich and beautiful crimson shade.
- Offers superb lightfastness and archival quality.
- Smooth texture allows for effortless mixing and application.
- Provides excellent coverage and tinting strength.
Cons:
- Can be quite staining, requiring careful cleanup.
- The 37ml tube might be small for large-scale paintings or frequent use of this specific color.
Customer Reviews
Customer Review: This is by far the best red oil paint EVER! It’s bright but, deeply saturated and last so long!! It’s gorgeous and I use it for my small business. It is absolutely worth the price! You cannot find this color anywhere else. Because of the color quality, it can be a little staining but, does come off
Customer Review: As an oil painter, I’m always on the lookout for high-quality paints that don’t break the bank. Winsor & Newton’s Winton Oil Colors have become my go-to for that exact reason. Specifically, I’m in love with their Permanent Alizarin Crimson.This color is just gorgeous. It’s a rich, deep, and vibra
5. Winsor & Newton Sansodor Low Odor Solvent: Ideal Thinner for Oil Paints, 75ml.
The Winsor & Newton Sansodor Low Odor Solvent is a fantastic choice for artists seeking an effective yet less pungent thinner for oil based paint. This solvent evaporates slowly, giving you ample blending time and making it ideal for various oil and alkyd colors. Beyond just thinning, it’s also excellent for cleaning brushes, offering a versatile solution for your studio needs. If you’re looking to avoid the strong fumes of traditional turpentine without compromising on performance, Sansodor is an excellent option.
Key Features That Stand Out
- ✓ Low Odor Formula: Significantly reduces fumes compared to conventional solvents.
- ✓ Slow Evaporation Rate: Increases blending time, allowing for more intricate work.
- ✓ Versatile Use: Suitable for thinning oil colors, alkyds, and cleaning brushes.
- ✓ Turpentine Alternative: An excellent choice for artists sensitive to turpentine.
- ✓ Maintains Paint Characteristics: Thins paint effectively without degrading color or texture.
Why We Recommend It
We highly recommend Sansodor as a top oil paint thinner because it strikes a perfect balance between effectiveness and user comfort. Its low odor profile and slow evaporation make it a pleasure to work with, especially for prolonged painting sessions or when intricate blending is required. It’s a reliable choice that enhances your painting experience while prioritizing your well-being.
Best For
This solvent is best for artists who are sensitive to the strong odors of traditional solvents like turpentine, those working in less ventilated areas, and painters who appreciate extended blending times for their oil-based paints and alkyds.
Pros and Cons
Pros:
- Greatly reduces unpleasant smells, improving studio environment.
- Provides a longer open time for oil paints, facilitating complex layering.
- Effectively thins paint and cleans brushes, offering dual functionality.
- A much safer and more comfortable alternative to traditional turpentine.
Cons:
- While low, it’s not entirely odorless, so some scent may still be detectable.
- The 75ml bottle size can be consumed quickly by frequent painters.
Customer Reviews
Customer Review: I recently bought a beautiful seascape in oil from Salvation Army and noticed that the whites on the painting had yellowed, there was no smoke smell, so could have been kitchen grease, not sure. As it’s an older painting, I decided to try to clean it myself with this product. I couldn’t believe the
Customer Review: Really works! I cleaned a filthy Edwardian painting, took a century of dirt off.
Complete Buying Guide for Best Thinner For Oil Based Paint
Choosing the best thinner for oil based paint might seem straightforward, but a few key factors can significantly impact your painting results. Think of your thinner as a critical ingredient that transforms your paint’s behavior. Here’s what we look at when selecting top-notch oil paint thinners:
Essential Factors We Consider
When you’re looking for the right thinner for oil-based paint, it’s not just about making the paint runnier. It’s about how it affects drying time, sheen, and the overall finish. First, consider the type of solvent. Mineral spirits (including odorless varieties like Gamsol or Sansodor) are very common for thinning and cleaning, offering a balance of effectiveness and safety. Turpentine, while powerful, has a strong odor and can be more aggressive. For those seeking maximum safety, solvent-free options are emerging. Next, the evaporation rate is crucial; a slower rate allows for longer blending and working time, which is perfect for complex techniques. Faster evaporation means quicker drying, which might be suitable for underpaintings. Always check for toxicity and odor levels, especially if you work in a poorly ventilated space or are sensitive to fumes. Compatibility with your specific oil paints and mediums is also paramount to avoid unexpected reactions or compromised results. Finally, consider its intended use—is it just for thinning, or do you also need it for brush cleaning and medium creation?
Budget Planning
Budget can play a role, but investing a little more in a quality oil based paint thinner can save you headaches and improve your results. Entry-level mineral spirits are generally quite affordable and effective for basic thinning and cleaning. As you move to odorless mineral spirits or specialized artist-grade thinners like Winsor & Newton Sansodor or Sennelier Green, the price might increase, but you’re paying for reduced odor, slower evaporation, and often a safer working environment. For professional artists or those with health concerns, these premium options are often worth the extra cost. Think about how often you paint and the volume you’ll need; sometimes a larger, slightly more expensive container offers better long-term value.
Final Thoughts
Ultimately, the best thinner for oil based paint is the one that best suits your personal workflow, health considerations, and artistic goals. Don’t be afraid to experiment, but always do so on a test swatch first. Prioritizing safety by ensuring good ventilation or choosing low-odor/solvent-free options is always a smart move. A good thinner will help you achieve the consistency you desire, whether it’s for delicate glazes, smooth blending, or simply making your paint more workable.
Frequently Asked Questions
Q: Can I use water to thin oil paint?
A: No, traditional oil-based paints are not water-soluble and will not mix with water. Using water will cause the paint to separate and create a clumpy, unusable mess. You must use an appropriate solvent or a specialized thinner specifically designed for oil paints.
Q: What’s the difference between mineral spirits and turpentine for oil paints?
A: Both are common oil paint thinners, but they have key differences. Turpentine is a natural solvent derived from pine trees, known for its strong odor and quick evaporation. Mineral spirits (including odorless mineral spirits) are petroleum-based solvents. They typically have less odor, evaporate slower, and are generally considered less aggressive on pigments and binders than turpentine. Many artists prefer odorless mineral spirits for a more comfortable studio experience.
Q: Is odorless thinner truly odorless?
A: While “odorless” thinners like Winsor & Newton Sansodor significantly reduce the strong fumes associated with traditional solvents, they are rarely 100% odorless. They often have a very mild, sometimes sweet or faint chemical scent that is far less intrusive. For most users, this minimal scent is a huge improvement, but those with extreme sensitivity might still detect it.
Q: How much thinner should I use to thin oil-based paint?
A: The amount of oil-based paint thinner to use depends on the desired consistency and technique. A good starting point is to add thinner sparingly, often in small increments of 5-10% by volume, mixing thoroughly until you achieve the desired flow. Too much thinner can degrade the paint’s binding properties, making it brittle or dull. Always follow the “fat over lean” rule in oil painting, meaning subsequent layers should contain more oil (or less thinner) than previous layers.
Q: Can I use thinner for brush cleaning as well?
A: Yes, most thinners for oil based paint are excellent for cleaning brushes. After painting, wipe off as much excess paint as possible, then rinse your brushes thoroughly in a container of thinner. You can then use soap and water to deep clean and condition the bristles for long-term use. This dual functionality makes thinners a very versatile addition to your painting supplies.
Conclusion
Navigating the world of best thinner for oil based paint can transform your creative process, offering control over paint consistency and contributing to the longevity of your artwork. From the health-conscious choice of SENNELIER’s solvent-free thinner to the extended blending time offered by Winsor & Newton’s Artisan and Sansodor options, there’s a perfect match for every artist and DIY enthusiast. Remember to consider factors like odor, evaporation rate, and compatibility to make an informed decision. By selecting the right oil paint thinner, you’re not just diluting paint; you’re unlocking new possibilities for smooth applications, vibrant finishes, and a more enjoyable painting experience. Don’t let thick paint hold you back – explore our recommended options and find the ideal thinner to elevate your next project today!
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