How to Clean Acrylic Paint Brushes with Vinegar: Step-by-Step Guide

Acrylic paint can dry quickly and harden in brush bristles, making proper cleaning essential to maintain brush performance. One effective and affordable cleaning method is using vinegar. In this guide, we’ll walk you through how to clean acrylic paint brushes with vinegar so your tools stay in top shape.

Why Use Vinegar for Cleaning Brushes?

Vinegar is a natural cleaning solution that helps break down dried paint without harsh chemicals. It’s safe for most brush bristles, cost-effective, and easy to find in any home.

What You’ll Need

• White vinegar
• Small pot or heat-safe container
• Stove or kettle (for heating vinegar)
• Paper towels or lint-free cloth
• Warm water

Step-by-Step: Cleaning Acrylic Paint Brushes with Vinegar

Heat the Vinegar
Pour enough white vinegar into a small pot to fully submerge your brush bristles. Heat until warm, but do not boil.

Soak the Brush
Place the brush into the warm vinegar, ensuring only the bristles are submerged. Let it soak for 20–30 minutes to loosen dried paint.

Loosen the Paint
After soaking, gently work the bristles with your fingers or a brush comb to break up remaining paint.

Rinse Thoroughly
Rinse the brush under warm running water until the vinegar smell fades and no paint remains.

Reshape and Dry
Gently reshape the bristles and lay the brush flat to dry on a paper towel.

Tips for Best Results

• Always clean brushes immediately after painting to prevent hardening.
• Avoid soaking the ferrule (metal part) for long periods to prevent loosening.
• For heavily hardened brushes, repeat the vinegar soak twice.

Why Brush Care Matters

Regular cleaning extends the life of your brushes, keeps bristles soft, and ensures smoother application. Whether you’re painting nails, canvases, or crafts, proper maintenance is key to consistent results.