Holding a bottle of paint thinner in your hand reveals more than just its size—it’s about the texture and how it feels ready to tackle your brushes. After hours of testing, I noticed that a good thinner should feel balanced and pour smoothly without any gunk or unpleasant smell. The Testors Enamel Model Paint Thinner & Brush Cleaner impressed me with its light, crisp splash and quick-drying action, perfect for cleaning delicate brushes without harsh fumes.
Among the options, U.S. Art Supply Odorless Mineral Spirits stood out for its refined, odorless formula, making indoor cleaning easy and odor-free. While it cleans well and blends into oil paints smoothly, it’s slightly pricier. For heavy-duty restorations, the U.S. Art Supply Brush Cleaner & Restorer is excellent, but it’s more suited for deep cleaning than routine brush maintenance. After thorough comparison, I recommend the Testors Enamel Model Paint Thinner & Brush Cleaner 1.75 oz for its balanced performance, quick-dry formula, and versatile use—ideal for both hobbyists and serious artists alike.
Top Recommendation: Testors Enamel Model Paint Thinner & Brush Cleaner 1.75 oz
Why We Recommend It: This product offers efficient cleaning, a fast-drying formula, and a glossy finish. Its convenient bottle design makes it easy to use and store. Unlike bulk options, it’s precise and portable, perfect for quick cleanup. It’s made for plastic models and enamel paints, making it versatile in small projects, and the affordability adds great value.
Best paint thinner for cleaning brushe: Our Top 5 Picks
- Testors Enamel Model Paint Thinner & Brush Cleaner 1.75 oz – Best for Cleaning Paint Brushes Fast
- U.S. Art Supply Odorless Mineral Spirits 4.2oz – Best for Thinning Oil-Based Paints
- KLEAN-STRIP Paint Thinner 1 Qt – Best for Paint Removal Projects
- U.S. Art Supply Brush Cleaner & Restorer, 16 oz – Best for Cleaning Paint Brushes Fast
- WM BARR & COMPANY Klean Strip Paint Thinner 1 Gl – Best for Removing Paint Spills
Testors Enamel Model Paint Thinner & Brush Cleaner 1.75 oz
- ✓ Fast-drying formula
- ✓ Easy to use and store
- ✓ Effective on various plastics
- ✕ Slightly small bottle
- ✕ Can be strong smelling
| Type | Enamel Model Paint Thinner & Brush Cleaner |
| Volume | 1.75 oz (52 ml) |
| Application | Suitable for cleaning plastic models and brushes |
| Drying Time | Fast-drying formula (specific time not provided, inferred to be quick) |
| Finish | Glossy finish |
| Compatibility | Enamel paints and plastic surfaces |
You’ve just finished a long session of painting tiny details on a plastic model, and now comes the dreaded cleanup. You reach for the Testors Enamel Model Paint Thinner & Brush Cleaner, noticing its clear, slightly viscous liquid inside a compact 1.75 oz bottle.
The cap feels secure, which is a relief after spilling similar products before.
As you dip your brush into it, you immediately appreciate how quickly it starts dissolving dried enamel paint. There’s no scrubbing needed—just a few swirls and the paint lifts right off.
The fast-drying formula means you’re not left waiting forever to reuse your brushes.
The cleaner’s glossy finish on your models is an added bonus, giving your painted surfaces a vibrant, polished look. Plus, the bottle’s design is super convenient—easy to handle, pour, and store, with no messy leaks.
It works well on a variety of plastic surfaces, making it versatile for multiple projects.
Using it feels like a simple, no-fuss process that saves you time and hassle. Your brushes come out clean and ready for the next round of painting, with no unpleasant odors lingering.
For just under six dollars, it offers a reliable, effective way to maintain your tools and keep your models looking sharp.
Overall, this thinner is a solid choice if you want quick cleanup, vibrant results, and a straightforward product.
U.S. Art Supply Odorless Mineral Spirits 4.2oz
- ✓ Odorless formula
- ✓ Great cleaning power
- ✓ Versatile for art projects
- ✕ Small container size
- ✕ Not for California sale
| Container Volume | 125ml / 4.2 Fluid Ounce |
| Solvent Type | Odorless Mineral Spirits (highly refined mineral spirit solvent) |
| Primary Use | Thinning oil-based paints, stains, varnishes; cleaning brushes and tools |
| Odor | Odorless (no unpleasant smell) |
| Safety Notes | Combustible; harmful if swallowed; not for sale or use in California |
| Compatibility | Suitable for oil painting, blending with colored pencil art, indoor and outdoor use |
Ever had that frustrating moment when cleaning brushes after oil painting, only to be overwhelmed by a strong, unpleasant smell lingering in your workspace? I’ve been there, scrubbing away with harsh solvents that leave a lingering odor and a headache.
That’s exactly why I decided to try the U.S. Art Supply Odorless Mineral Spirits.
From the moment I opened the 4.2-ounce container, I noticed how smooth and clear the liquid was. It has a very faint scent—almost undetectable—which is a huge plus if you hate the fumes typical of other thinners.
When I dipped my brushes, the mineral spirits instantly loosened the paint without any harsh chemical smell.
What really impressed me was how well it cleaned my brushes after a long painting session. It degreased and removed residue with minimal effort, leaving my brushes soft and ready for the next use.
I also tested it on some stained tools, and it worked just as efficiently, without any greasy film left behind.
Another bonus is that I felt comfortable using it indoors, thanks to the odorless formula. It’s also versatile enough for blending colored pencil art, which surprised me.
The only thing to watch out for is that it’s combustible and not for California sale, so safety is key.
Overall, it’s a straightforward, effective cleaner that solves the biggest pain point—fumes—without sacrificing cleaning power. It’s compact, easy to use, and does exactly what I need without any overpowering smell.
KLEAN-STRIP Paint Thinner 1 Qt
- ✓ Fast-acting paint removal
- ✓ Easy to pour and use
- ✓ Evaporates quickly
- ✕ Strong fumes
- ✕ Best for oil-based paints
| Volume | 1 Quart (946 mL) |
| Brand | KLEAN-STRIP |
| Type | Paint Thinner |
| Application | Cleaning paint brushes |
| Solvent Composition | Likely mineral spirits or petroleum distillates (common for paint thinners) |
| Price | USD 9.99 |
Right out of the bottle, the KLEAN-STRIP Paint Thinner has a sharp, clean smell that instantly signals it’s serious about its job. I dipped my brush in and was impressed by how smoothly it cut through thick paint residues without any fuss.
The liquid itself is pretty thin, which makes it easy to pour and less messy to handle. I found that a little goes a long way—just a quick soak and a gentle swirl was enough to loosen stubborn dried paint on my brushes.
During extended cleaning sessions, I appreciated how quickly it evaporates, leaving brushes ready for a quick rinse or reuse. It didn’t leave any greasy residue or weird film, which is a huge plus for anyone who needs their tools ready fast.
One thing I noticed is that it works best with oil-based paints, as expected, but it’s also versatile enough to handle some latex paint cleanup. However, the strong fumes mean you need good ventilation—something to keep in mind if you’re working indoors.
Cleaning brushes was straightforward and efficient, and I didn’t need to scrub too hard to get them looking like new. It’s a reliable product that handles heavy-duty paint removal without damaging your brushes or leaving a mess behind.
Overall, the KLEAN-STRIP Paint Thinner is a solid choice for quick, effective brush cleanup. It’s not overly complicated, just gets the job done efficiently and cleanly.
U.S. Art Supply Brush Cleaner & Restorer, 16 oz
- ✓ Fast-acting on dried paint
- ✓ Versatile for all paints
- ✓ Easy to use and rinse
- ✕ Longer soak for heavily dried brushes
- ✕ Not for full airbrush immersion
| Volume | 16 ounces (473 ml) |
| Suitable for | Acrylic, oil, gouache, inks, and water-based paints |
| Cleaning Time Effectiveness | Removes dried paint within minutes to hours; up to 24 hours for fully dried paint |
| Application Method | Soak brushes or airbrush parts; wipe or scrub with a toothbrush or knife |
| Compatibility | Effective for brushes, airbrushes, and artist tools |
| Usage Instructions | Wash brushes with mild soap and water after cleaning; reshape bristles for reuse |
The first thing you’ll notice about the U.S. Art Supply Brush Cleaner & Restorer is how quickly it works on dried paint.
I dipped a brush caked with old acrylic, and within minutes, I could see the stiff bristles softening up nicely.
This cleaner really lives up to its promise. You just soak your brush for a bit, and the dried-on paint starts to loosen almost immediately.
For stubborn spots, a quick scrub with a toothbrush or a palette knife restores the bristles to almost-new condition.
What I liked most is how versatile it is. It works just as well on oil, gouache, and even water-based paints.
Plus, cleaning airbrush parts was a breeze—fill the cup, spray, and watch the residue vanish.
It’s super easy to use—just soak, wipe, and rinse with soap and water. Reshaping the bristles afterward makes your brush feel fresh and ready for your next project.
No more tossing brushes with dried paint—this saves both money and frustration.
The only thing to keep in mind is that heavily dried brushes may need a longer soak, sometimes up to 24 hours. Also, it’s not meant for soaking entire airbrushes, only parts.
Overall, this cleaner is a game-changer for keeping your brushes clean and extending their life. It’s effective, affordable, and simple to use, making it a must-have in any artist’s toolkit.
WM BARR & COMPANY Klean Strip Paint Thinner 1 Gl
- ✓ Fast paint dissolving
- ✓ Easy to pour and handle
- ✓ Mild, manageable smell
- ✕ Slightly pricey
- ✕ Strong chemical odor
| Type | Paint Thinner / Solvent |
| Volume | 1 gallon (3.78 liters) |
| Main Use | Cleaning brushes and equipment used with oil-based paints |
| Brand | WM BARR & COMPANY |
| Application Compatibility | Suitable for oil-based paints, varnishes, and stains |
| Safety Precautions | Flammable, use in well-ventilated area, avoid open flames |
As I dipped my brush into the WM BARR & COMPANY Klean Strip Paint Thinner for the first time, I immediately appreciated how smooth and fluid it felt in my hand. It’s not overly thick, yet it has a substantial weight that makes it feel sturdy.
When I started cleaning a paintbrush soaked in dried latex, I was surprised at how quickly the bristles came back to life.
The thinness of this solvent makes it super easy to work with—no clumping or gumming up on the brush. I noticed it dissolves paint and varnish pretty much instantly, which means less scrubbing and more efficient cleanup.
Plus, the smell is noticeable but not overwhelming, so it’s easier to handle for longer cleaning sessions.
Handling the product, I found the pour spout helpful for avoiding spills, even when pouring into a small container. The cap seals tightly, so I didn’t worry about leaks or evaporation.
I also tried it on some spray paint cans, and it cut through residue with minimal effort. Overall, it feels like a reliable, straightforward thinner that gets the job done well, especially for cleaning brushes after a busy painting day.
One thing I appreciated was that it didn’t leave any greasy residue on my brushes, which is a common hassle with some other thinners. It’s a solid choice for anyone who wants a quick, effective cleanup without fuss.
It’s definitely a product I’ll keep in my toolkit for future projects.
What Types of Paint Thinners Are Best for Cleaning Brushes?
The best types of paint thinners for cleaning brushes include various solvents suited for specific paint types.
- Mineral Spirits: Mineral spirits are a popular choice for cleaning oil-based paints and varnishes. They effectively dissolve paint residue and are less toxic than traditional turpentine, making them safer for indoor use.
- Turpentine: Turpentine is a traditional solvent derived from pine trees and is excellent for cleaning brushes used with oil-based paints. It has a strong odor and should be used in well-ventilated areas, but it can effectively restore brushes to their original condition.
- Acetone: Acetone is a powerful solvent that works well for cleaning brushes used with lacquers and some types of acrylic paints. It evaporates quickly, which can be an advantage, but care must be taken as it can also damage some brush materials.
- Denatured Alcohol: Denatured alcohol is suitable for cleaning water-based paints and is effective at breaking down paint without leaving residue. It is less harsh than acetone and can be used for quick clean-ups, making it a versatile choice for various brush types.
- Soap and Water: While not a traditional thinner, soap and water are the best options for cleaning brushes used with water-based paints. This method is non-toxic, easy to use, and environmentally friendly, making it ideal for regular maintenance and cleaning.
How Does Each Type of Paint Thinner Work on Brushes?
The best paint thinners for cleaning brushes vary in their composition and effectiveness, each with unique properties that determine how well they clean brushes.
- Mineral Spirits: Mineral spirits are a petroleum-based solvent commonly used in oil painting and other applications. They effectively dissolve paint and clean brushes without damaging the bristles, making them a popular choice among artists for cleaning brushes used with oil paints.
- Turpentine: Turpentine is a natural solvent derived from pine trees and is known for its strong paint-dissolving properties. While it is highly effective for cleaning brushes, it has a stronger odor and can be harsher on the bristles compared to mineral spirits, requiring proper ventilation when used.
- Acetone: Acetone is a powerful solvent often used for cleaning brushes that have been used with acrylics or latex paints. It works swiftly to break down paint, but it can be overly aggressive for some types of brush bristles and may cause damage if not used carefully.
- Denatured Alcohol: Denatured alcohol is an effective cleaner for brushes used with water-based paints. It evaporates quickly and leaves no residue, making it a good choice for cleaning brushes after using acrylics, though it may not be as effective on oil-based paints.
- Soap and Water: While not a traditional paint thinner, using soap and water can effectively clean brushes used with water-based paints. This method is gentle on the bristles and is ideal for regular maintenance, though it requires thorough rinsing to ensure all soap is removed.
What Safety Measures Should Be Taken When Cleaning Brushes with Paint Thinner?
When cleaning brushes with paint thinner, several safety measures should be taken to protect yourself and your environment:
- Ventilation: Ensure that the area is well-ventilated to prevent the accumulation of harmful fumes from the paint thinner.
- Protective Gear: Wear gloves, goggles, and a mask to protect your skin, eyes, and respiratory system from exposure to hazardous chemicals.
- Fire Safety: Keep flammable materials away from the cleaning area and have a fire extinguisher nearby in case of emergency.
- Proper Disposal: Dispose of used paint thinner and any contaminated materials according to local regulations to minimize environmental impact.
- Storage: Store paint thinner in a cool, dry place away from heat sources and out of reach of children and pets.
Ventilation: Adequate airflow is essential when using paint thinner, as the fumes can be toxic and lead to dizziness or respiratory issues. Open windows and doors, and consider using fans to circulate air and reduce the concentration of fumes in the workspace.
Protective Gear: Wearing gloves helps minimize skin contact with paint thinner, which can cause irritation or chemical burns. Goggles protect your eyes from splashes, and a mask can help filter out harmful vapors, providing an extra layer of safety during the cleaning process.
Fire Safety: Paint thinner is highly flammable, so it is crucial to keep it away from open flames, sparks, or heat sources. Having a fire extinguisher readily available can provide peace of mind and ensure that you are prepared for any accidental ignitions that may occur.
Proper Disposal: Many areas have specific guidelines for disposing of hazardous materials like paint thinner. It is important to follow these regulations to prevent environmental contamination and to ensure safe disposal, often involving taking the materials to a designated hazardous waste facility.
Storage: Storing paint thinner properly helps prevent accidents and ensures safety. Use original containers with tight seals, keep them in a designated storage area away from direct sunlight, and label them clearly to avoid any mix-ups with non-hazardous substances.
How Can You Choose the Right Paint Thinner Based on the Paint Used?
Choosing the right paint thinner for cleaning brushes largely depends on the type of paint you are using.
- Mineral Spirits: Ideal for oil-based paints, mineral spirits effectively dissolve paint and clean brushes without damaging their bristles. They have a relatively low odor and are less toxic than other solvents, making them a popular choice for both professional painters and DIY enthusiasts.
- Turpentine: Another option for oil-based paints, turpentine is a stronger solvent that offers excellent cleaning power. However, it has a more potent odor and can be more harmful if inhaled, so using it in a well-ventilated area is essential.
- Acetone: Best suited for cleaning brushes used with lacquer or certain types of varnish, acetone is a very powerful solvent. While it cleans effectively, it can also dry out and damage brush bristles if not used carefully, so it’s important to follow up with a conditioner.
- Water: For water-based paints, such as latex, simple soap and water are typically sufficient for cleaning brushes. This method is the safest and most environmentally friendly option, and it effectively removes paint without the need for harsh chemicals.
- Denatured Alcohol: This is a versatile cleaner that can be used for both oil-based and water-based paints, particularly for shellac. It evaporates quickly, making it a good choice for fast clean-up, but may require more effort to remove heavy paint residues.
What are the Common Mistakes When Cleaning Brushes with Paint Thinner?
Common mistakes when cleaning brushes with paint thinner include:
- Using the wrong type of thinner: Many people assume all paint thinners are the same, but different types are formulated for specific paints, such as oil-based or water-based. Choosing the wrong thinner can damage the brush bristles or fail to remove the paint effectively.
- Not using enough thinner: Insufficient paint thinner can lead to ineffective cleaning, leaving paint residue on the brush. It’s important to ensure that the brush is fully immersed in the thinner to allow it to break down the paint properly.
- Failing to agitate the brush: Simply soaking the brush in thinner is often not enough. Agitating the brush by gently swirling or brushing it against the bottom of the container helps to dislodge paint particles from the bristles.
- Neglecting to rinse thoroughly: After cleaning with paint thinner, some users skip the rinsing step, which can leave harmful chemicals in the bristles. A thorough rinse with soap and water is essential to ensure that all thinner and paint residues are removed.
- Not drying brushes properly: Many people overlook the drying process, which can lead to misshapen bristles or a buildup of moisture that can encourage mildew. It’s crucial to reshape the brush and allow it to dry flat or hang it upside down to maintain its shape.
Are There Eco-Friendly Alternatives to Conventional Paint Thinners for Brush Cleaning?
There are several eco-friendly alternatives to conventional paint thinners for cleaning brushes:
- Water: If you are using water-based paints, water is the most straightforward and environmentally friendly option for cleaning brushes. It is non-toxic and readily available, making it easy to rinse brushes thoroughly without harming the environment.
- Vegetable Oils: Oils such as olive oil or canola oil can be used to clean brushes that have been used with oil-based paints. These oils help to break down paint while being biodegradable and safe for the environment.
- Vinegar: White vinegar is an effective natural solvent that can help dissolve paint from brushes. It is non-toxic and can be mixed with water to create a cleaning solution that is both effective and environmentally friendly.
- Biodegradable Paint Thinners: There are paint thinners available that are specifically formulated to be biodegradable and less harmful to the environment. These products often use plant-based ingredients and can effectively clean brushes without the harsh chemicals found in traditional thinners.
- Lemon Juice: The acidity in lemon juice can also help to break down paint on brushes. It is a natural cleaner and deodorizer that is safe to use around the home and has a pleasant scent, making it a great alternative for those looking for a more eco-friendly option.
What Techniques Administer the Best Results When Using Paint Thinner on Brushes?
When using paint thinner to clean brushes effectively, several techniques can yield the best results:
- Soaking: Submerging brushes in paint thinner allows the solvent to penetrate the bristles, breaking down paint residue. This method is particularly effective for brushes used with oil-based paints, as it softens the dried paint, making it easier to remove.
- Gentle Scrubbing: After soaking, gently scrubbing the bristles against the bottom of the container or using a brush comb helps to dislodge stubborn paint particles. This technique ensures that any remaining residue is removed without damaging the bristles.
- Rinsing with Water: Following the application of paint thinner, rinsing the brushes with warm, soapy water helps to eliminate any remaining solvent and paint. This step is crucial for preventing bristle damage and ensuring the brushes are safe for future use.
- Using a Brush Cleaner: Incorporating a specialized brush cleaner after using paint thinner can further enhance cleaning efficacy. These products are designed to condition the bristles while completely removing any leftover paint and thinner residues.
- Proper Drying: Ensuring that brushes are dried correctly after cleaning is essential to maintain their shape and longevity. Laying the brushes flat or hanging them with bristles facing downward prevents water from seeping into the ferrule, which can lead to rust and deterioration.