The best predictor for bad skin days? Your weather app

Wouldn’t it be nice to have a little head’s up when a bad skin day is about to go down? Unfortunately, asking your Magic 8-Ball isn’t the most accurate way to find out your skin’s future. But checking the weather on your phone just might do the trick.

A Redditor recently shared a unique skin-care hack that utilizes any weather app. Some weather apps—like the Weather Channel app—have a “dry skin index.” Coupled with the UV index (you should be wearing SPF every day, by the way) and overall temp and humidity, you have all the intel you need to know on how to properly take care of your skin on particular days.

So, how exactly do you use the info your weather app provides to upgrade your skin care routine? If it’s super dry out, you’ll know to slather on the moisturizer. And if the humidity is out of control, use products—like chemically exfoliating AHA/BHA cleansers and exfoliants—that will ensure the sticky, sweaty weather doesn’t make you break out. Who knows—taking a quick glance between Instagram scrolls in the morning before going about your routine might really change the game for your skin.

Here’s the right way to wash your face, according to a facialist:

Here’s how to dry brush your winter skin in three minutes flat. Then find out the winter skin care hacks that will have you glowing.