How to Clean Makeup Brushes | A 5-Minute Routine

Dirty brushes are a silent skin-care sabotage. Every swipe deposits yesterday’s foundation, oil, and bacteria back onto your face — a fast track to clogged pores and breakouts. The good news: cleaning your makeup brushes takes about five minutes, costs almost nothing, and dramatically extends the life of both your brushes and your skin. Here’s the exact routine dermatologists recommend, plus what not to do.

Wet, Lather, Rinse: The Core Cleaning Method

Work the cleanser in with a gentle swirling motion, either in your palm or in a small bowl. Press the bristles into your skin or the bowl bottom to break up caked-on product, but avoid scrubbing so hard you bend or splay the bristles. Rinse thoroughly — leftover soap residue can irritate skin the next time you use the brush.

Finish by squeezing the bristles gently to push out excess water, then reshape the brush head with your fingers.

What Cleanser Should You Use?

You don’t need a fancy brush-specific product, though those do work well. Good options include baby shampoo, a gentle sulfate-free shampoo, mild dish soap, or a specialized brush cleanser. The one caution across sources: plain bar soap or harsh detergents can dry out natural bristles over time, leaving them stiff and brittle.

For deep-cleaning foundation brushes with heavy product buildup, a clarifying shampoo or a dedicated brush cleanser cuts through the oils faster than a gentle daily shampoo. If you’re shopping for a product, our tested roundup of the best cosmetic brush cleaners breaks down which formulas actually dissolve stubborn makeup without wrecking bristles.

Drying and Care: The Step Everyone Skips

How you dry brushes matters as much as how you wash them. This lets air circulate through the bristles and keeps water from seeping back into the ferrule — the metal band that connects bristles to handle.

Two cardinal rules: never soak the brush in a cup of water with the handle submerged, and never dry brushes upright in a jar. Soaking loosens the glue that holds the bristles in place, which is why brushes fall apart and shed after a few aggressive washes. Drying upright lets water trickle down into the ferrule and handle, weakening the same glue bond from the inside. Lukewarm water is also non-negotiable — hot water can melt the glue and damage synthetic bristles.

Common Mistakes to Avoid

These four errors shorten brush life and leave them less clean:

• Soaking the ferrule or handle — loosens the glue and causes shedding.
• Using hot water — risks melting glue and damaging bristles.
• Drying upright — funnels water into the handle, weakening the bond.
• Leaving brushes wet too long — invites mildew and bacteria to grow.

Both synthetic and natural bristles respond well to this method, though natural-hair brushes benefit from a gentler cleanser to avoid drying out.