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How to Clean Makeup Brushes and Sponges Properly

Makeup brushes and sponges sit against your skin every day, yet cleaning them is one of the most commonly skipped steps in a beauty routine. Here is how to do it right, and how often.

  1. Know the right frequency for each tool type

    Brushes used for powder products (blush, bronzer, eyeshadow) can go 1-2 weeks between deep cleans, but anything used with liquid or cream products β€” foundation brushes, concealer brushes, and especially sponges β€” should be washed after every use or at minimum weekly.

  2. Choose a cleanser suited to the brush material

    A mild, pH-balanced brush shampoo or a diluted gentle soap works for most synthetic and natural-hair brushes alike. Harsh dish soap or alcohol-based cleaners can dry out and damage brush bristles over repeated use, especially natural hair fibers.

  3. Wash with downward strokes, bristles pointed down

    Swirl bristles gently in the palm of your hand with cleanser, keeping the brush head angled downward. Water and cleanser should never run up into the ferrule (the metal part holding the bristles), since that loosens the glue over time and shortens the brush's lifespan.

  4. Rinse until the water runs completely clear

    Leftover product or cleanser residue left in the bristles can irritate skin on the next use and cause the brush to shed or lose shape faster. Keep rinsing under lukewarm running water until no more color or cloudiness comes out.

  5. Reshape and dry flat or bristle-down

    Gently reshape the brush head with your fingers after rinsing, then lay it flat on a towel or hang it bristle-side down over an edge so water drains away from the ferrule instead of pooling inside it while it dries.

  6. Understand what you are actually cleaning off

    Dirty brushes and sponges accumulate a mix of dead skin cells, leftover product, oil, and bacteria, all of which get reapplied to your face with every use. This buildup is a common, overlooked contributor to clogged pores and breakouts.

Why sponges need more frequent care than brushes

Damp makeup sponges are an especially favorable environment for bacterial growth because they retain moisture long after use, unlike powder brushes that dry out quickly. A sponge left uncleaned and stored in a closed, humid makeup bag for days is one of the more common hidden causes of recurring, hard-to-explain breakouts.

Signs a brush needs replacing, not just cleaning

Even with regular washing, brushes have a functional lifespan. Bristles that shed noticeably during use, a frayed or splayed brush head that no longer holds its shape after reshaping, or a musty smell that persists after washing are all signs it's time to replace the tool rather than keep cleaning it.

Frequently Asked Questions

Can I use baby shampoo to clean makeup brushes?

Yes, mild baby shampoo is a commonly recommended option because it is gentle, pH-balanced, and unlikely to strip natural bristle oils, making it a safe everyday choice for both synthetic and natural-hair brushes.

How long does it take a brush to fully dry after washing?

Typically 6-12 hours depending on brush size and material, which is why most people wash their full brush set at night and let it air-dry overnight rather than trying to use a brush again the same day it was cleaned.