If you’ve ever run a long distance, taken an intense hot yoga class, come down with the flu, or, ahem, woken up with a hangover, you’ve likely reached for an electrolyte drink. That’s because the electrolytes in that bottle of Gatorade can supply your body with essential minerals that retain water and rehydrate you.

Now, imagine if there was a hydrating helper like that but for your skin! Pipe dream? Nope–very much a reality. Introducing electrolyte skin care, the newest beauty trend that’s all about applying electrolytes topically to reap similar benefits for your skin.

All electrolytes, whether from coconut water or coconut water-based moisturizer, work the same. Electrolytes–including magnesium, calcium, potassium, sodium, chloride, and phosphate–conduct electricity when mixed with water, says Peterson Pierre, M.D., a dermatologist at Pierre Skin Institute in Thousand Oaks, California. If you’re thinking electricity in the body sounds futuristic (or dangerous), have no fear. Electrical currents are naturally present in the body and electrolytes are essential to the functions of cells and organs.

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