Make Your Own Makeup Brush Cleaner at Home

Why Makeup Brushes Need Regular Cleaning (And What Happens When They Don't)

Your makeup brushes are magnets for bacteria, dead skin cells, oil, and product buildup. Every time you dip a brush into foundation, powder, or blush, you're collecting residue. When you apply that brush to your face, you're transferring everything back onto your skin. This cycle repeats daily, and the result isn't pretty: clogged pores, breakouts, uneven makeup application, and brushes that perform worse over time.

Learn About Family Plan Options →

Studies on cosmetic tools have found that unwashed brushes can harbor Staphylococcus aureus, E. coli, and other bacteria within 24 hours of use. A 2019 study published in the Journal of Cosmetic Dermatology examined makeup brushes from makeup artists and found bacterial contamination on nearly all tested brushes. People with sensitive skin, acne-prone skin, or skin conditions like rosacea are especially vulnerable to infections and irritation from dirty brushes.

Beyond skin health, dirty brushes simply don't work as well. Product buildup clogs the bristles, making them stiff and harder to blend. Colors don't apply smoothly. Powder brushes leave streaks instead of a smooth finish. Foundation brushes create uneven coverage. The bristles themselves can become permanently damaged when product dries and hardens between the hairs.

Professional makeup artists clean their brushes after every client—sometimes multiple times per day. They do this because clean brushes are essential to their work. You don't need to be a professional to benefit from the same practice. Most dermatologists recommend cleaning brushes at least once a week, with more frequent cleaning if you have acne or sensitive skin.

Practical takeaway: Schedule a weekly brush cleaning day (many people choose Sunday evening) to make it a routine habit rather than an afterthought.

The Basic Ingredients You Probably Already Have at Home

You don't need expensive commercial brush cleaners. Most of what you need is already in your home. The most effective homemade cleaners rely on two basic principles: using a mild soap to break down oils and product, and using something gentle enough not to damage delicate bristles.

Get Your Free Travel Credit Card Comparison Guide →

The most common base for homemade brush cleaners is dish soap. Regular dish soap like Dawn or store-brand equivalents works well because it's designed to cut through grease—exactly what you need to remove makeup residue and oil from bristles. The key is using it diluted, not straight, so you don't dry out the bristles.

Olive oil serves a second purpose in many homemade recipes. While it sounds counterintuitive to use oil to clean oily brushes, olive oil actually conditions the bristles after they've been cleaned. It keeps synthetic bristles from becoming brittle and prevents natural hair bristles from drying out and splitting. A small amount goes a long way.

If you want to make a slightly more specialized cleaner, you can add a drop or two of rubbing alcohol (isopropyl alcohol at 70% concentration). Alcohol is antimicrobial, meaning it kills bacteria more effectively than soap alone. This is particularly useful if you share brushes with others or if you have active acne.

Baking soda is another ingredient some people add. It's mildly abrasive, which helps loosen stubborn product buildup without being harsh enough to damage bristles. It also has mild antimicrobial properties.

Practical takeaway: Before buying anything, check your kitchen cabinets for dish soap and olive oil—these two items alone create an effective brush cleaner that costs pennies.

Three Simple Cleaner Recipes to Make and Use

The simplest recipe is the one you're most likely to actually use. Here are three options ranging from basic to slightly more involved.

Free Guide to Removing Unnecessary Apps →

Recipe One: The Minimal Formula

This is the bare-bones version that works surprisingly well. Mix one tablespoon of regular dish soap with one cup of lukewarm water in a shallow cup or bowl. That's it. The warmth helps the soap dissolve and makes it more effective at breaking down oils. This recipe costs less than a dollar to make enough cleaner for dozens of cleaning sessions. It works on all brush types and is safe even for very delicate natural hair brushes.

Recipe Two: The Conditioning Version

For brushes that are starting to feel dry or rough, add conditioning to your cleaning process. Mix one tablespoon of dish soap with one-half tablespoon of olive oil and one cup of lukewarm water. Stir well to combine. The olive oil doesn't fully dissolve—it creates an emulsion that coats the bristles during cleaning while the soap removes makeup. This recipe is especially good for natural hair brushes (like those made from goat hair or sable) that tend to dry out faster than synthetic ones.

Recipe Three: The Antimicrobial Version

If you're dealing with persistent breakouts or you share brushes with roommates or family members, this version includes disinfectant properties. Mix one tablespoon of dish soap, one-half tablespoon of olive oil, one cup of lukewarm water, and two drops of rubbing alcohol (70% isopropyl). Mix thoroughly. The alcohol helps kill bacteria that causes acne and other skin infections. Don't use more than a few drops of alcohol—too much will dry out your bristles significantly. This version is best used no more than once every two weeks as a deep clean, rather than as your regular weekly cleaner.

Store any homemade cleaner in a sealed container. These recipes don't contain preservatives, so use them within one week or discard and make a fresh batch.

Practical takeaway: Write your chosen recipe on a sticky note and attach it to your bathroom mirror as a reminder, or snap a photo of it on your phone so you can reference it anytime.

Step-by-Step Cleaning Method That Actually Works

Having good cleaner means nothing if your technique doesn't remove the buildup. Here's how to clean your brushes properly so they actually get clean.

Get Your Free Travel Guide Resources →

Step 1: Pre-rinse under water Hold your brush under lukewarm running water with bristles pointing downward. Let water flow through the bristles for several seconds. This removes loose powder and excess product before the actual cleaning begins. Never use hot water—it can damage bristles and loosen the glue that holds them in the ferrule (the metal part).

Step 2: Dip and swirl in cleaner Pour your homemade cleaner into a shallow cup or small bowl. Dip the bristles into the cleaner, submerging only the bristles themselves—never the ferrule or handle. Gently swirl the brush in the cleaner for about 10-15 seconds. Don't scrub aggressively or make harsh circular motions. The gentle swirling motion allows the cleaner to penetrate between the bristles where makeup is trapped.

Step 3: Rinse thoroughly Rinse the brush under running water again, still with bristles pointing down. Keep rinsing and gently swirling until the water runs clear. This usually takes 30 seconds to one minute per brush. If you see colored water still coming out, keep rinsing. Residual cleaner left in the bristles will irritate your skin when you use the brush.

Step 4: Repeat for stubborn buildup For brushes with heavy product buildup (common with powder or contour brushes), repeat steps 2 and 3 a second time. This removes layers of buildup that one wash might miss. This is especially important for brushes you use with cream products or thick foundations.

Step 5: Final squeeze and shape Gently squeeze excess water from the bristles using your fingers or a clean towel. While the bristles are still damp, reshape them to their original form. This is important—if you let them dry misshapen, they'll stay that way. Use your fingers to gently point bristles back to their natural tapered shape.

Step