Keep Your Brushes Supple with Proper Soap Soaks
Quick Tip
Always use a dedicated brush soap and rinse thoroughly to prevent residue buildup.
A stiff, bristle-heavy brush is the quickest way to ruin a delicate wash or a smooth gradient. When pigment dries deep inside the ferrule—that metal part holding the hairs—it creates a permanent, scratchy mess that eventually kills the brush. Proper soap-soaking ensures your tools stay flexible and ready for your next session.
What is the best way to clean paintbrushes?
The best way to clean paintbrushes is to use a dedicated brush soap or a mild, pH-balanced cleanser to dissolve pigments without stripping the natural oils from the bristles. For oil painters, using a solvent like turpentine is standard, but for water-based media, a specialized soap is much safer for the hair.
Don't just rinse your brushes under a tap and call it a day. That's a mistake that leads to broken bristles and ruined shapes. Instead, follow this routine:
- Pre-rinse: Rinse the brush under lukewarm water to remove loose pigment.
- Apply Soap: Use a brand like Winsor & Newton Brush Cleaner or a high-quality liquid soap.
- Massage: Work the soap into the bristles with your fingers, being careful not to bend the ferrule.
- The Soak: For heavy buildup, let the bristles sit in a shallow dish of soapy water for a few minutes.
- Rinse & Shape: Rinse thoroughly and reshape the tip with your fingers before laying them flat to dry.
It's a bit of a chore, I know. But a well-maintained brush is an investment in your craft. If you're working on smooth color transitions, you can't afford a scratchy, poorly cleaned brush ruining your edges.
Which soap should I use for my brushes?
You should use a soap specifically formulated for artist tools, such as The Masters Brush Cleaner & Preserver, because it cleans while also conditioning the bristles. Standard dish soaps or harsh detergents can be too aggressive, often drying out natural hair brushes like sable or hog hair.
Here is a quick breakdown of what to use based on your medium:
| Medium | Recommended Cleaner | Effect on Bristles |
|---|---|---|
| Watercolor | Mild Soap / Brush Cleaner | Keeps hair soft and bouncy |
| Acrylic | Dedicated Acrylic Cleaner | Dissolves plastic-based pigments |
| Oil | Solvents or Odorless Mineral Spirits | Breaks down heavy oils |
One thing to keep in mind—never store your brushes upright in a jar with the wet bristles facing up. The water will seep into the ferrule, rot the wood handle, and cause the bristles to fall out. Always lay them flat or hang them bristles-down.
A little bit of care goes a long way. Your brushes will thank you (and so will your art).