Wash a reusable makeup sponge with a gentle cleanser and lukewarm water, squeezing repeatedly until the water runs clear. The most important final step is rinsing soap from its center, not just its surface.
The right cleaning sequence
Wet the sponge all the way through, then add a small amount of fragrance-free liquid cleanser or a cleaner intended for cosmetic sponges. Press and release it gently in your palm to move cleanser through the pores. Concentrate on the stained areas without twisting or tearing the foam. Rinse under running lukewarm water, squeezing and releasing until no lather comes out.
How to tell when it is really clean
A stain can remain after the makeup residue has been removed. Focus on whether the water is clear, the sponge feels free of slippery soap, and there is no unusual odor. Do not assume soaking in water alone disinfects a sponge. Products and materials vary, so follow the manufacturer’s instructions when they differ.
Dry it properly
Press the sponge in a clean towel and leave it on a clean, ventilated rack or open surface, away from a closed makeup bag. Never put a damp sponge in a sealed case, and avoid using it while the interior is still wet from washing. Change or clean the surface it dries on.
When to replace rather than wash
Discard a sponge that develops persistent odor, visible mold, crumbling material or damage. Do not share personal makeup sponges, especially around the eyes or when skin is irritated. For disposable wedges, follow their intended single-use instructions.
Frequently asked questions
Can I microwave a makeup sponge to sanitize it? That is not a reliable at-home sanitation method and can create burn risks. Follow the maker’s cleaning guidance instead.
Can I use boiling water? Avoid boiling water unless a manufacturer specifically allows it; heat can affect foam and adhesives.
Related: How to clean makeup brushes.
Source: American Academy of Dermatology — cleaning cosmetic brushes.
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