Is This UV Patch That Tracks Sun Exposure Brilliant Or Unnecessary?

UV patch -- blue heart sticker on hand

There’s nothing inherently difficult about regularly applying sunscreen. It’s just a huge pain—and your kids might not sit still long enough for you to do a good job. Like most problems nowadays, this one can be solved with a smartphone. Introducing L’Oréal’s new wearable UV patch that syncs with your phone to track sun exposure.

The My UV Patch, a part of L’Oréal’s skin care brand La Roche-Posay, was actually first introduced last summer. But this year’s version is a bit more kid-friendly; it’s heart-shaped, it’s waterproof for up to three days, and the app comes with a cartoon-style game.

That’s just the tip of the iceberg when it comes to the capabilities of this thing. Thanks to photosensitive dyes, it…

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