A bathroom painted in mildew-resistant paint.

Q. Is it important to use mildew-resistant paint in my bathroom?

A. Mildew is a type of mold that thrives in moist places, so you're right to be thinking about it when you paint your bathroom. Using a mildew-resistant paint can keep growth at bay, especially on the shower ceiling.

"Moisture from showering collects and may soak into a room's paint," says Rico de Paz, a chemist and engineer who runs CR's paint tests. "Paints that are resistant to mildew not only resist water absorption by forming an impenetrable paint film but also contain fungicides that kill mildew spores before they can grow at all."

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You don't need to spend much more for mildew-resistant paint that can fight off those fungi. One of our top scorers is Behr Premium Plus Enamel, $28 per gallon, available at Home Depot. Or head to Ace Hardware for a can of Clark+Kensington Enamel, $32 per gallon, or to Lowe's for Valspar Reserve, $44 per gallon. All three leave a smooth surface and stand up to scrubbing. "We also advise a satin or semigloss finish," says de Paz. "They're less likely to trap mold and are easier to clean than flat or eggshell finishes."

Quick Take

Behr Premium Plus (Home Depot) interior paint

Price: $28

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Editor's Note: This article also appeared in the August 2018 issue of Consumer Reports magazine.