Barrière drops a UV-sensitive sticker to track sunscreen application

Sunscreen is one of the main skincare steps with actual stakes, but applying it correctly is notoriously flawed. According to research by wellness brand Barrière, only one in three Americans reapply SPF every two hours, and nearly 40% put it on once and assume they are covered for the day. Instead of relying on a phone timer, the brand is dropping Burn Notice, patches designed to act as a visual insurance policy for your skin.

How it works

The Burn Notice patch is essentially a wearable UV monitor. You apply the sticker to exposed skin—like the back of your hand or shoulder—so it receives the same sun exposure as the rest of your body.

The sticker goes on clear, and as UV exposure builds up throughout the day, a hidden purple design gradually appears. Once the full design is visible, it acts as a direct visual cue that your sunscreen protection is diminishing and it is time for another layer.

Apply Barrière UV sensor stickers to the back of the hand, forearm, shoulder, or upper arms.

According to the brand, the patches are designed as a frictionless alternative to clock-watching. To keep the product functional for all-day outdoor wear, the stickers are also vegan, latex-free, and third-party tested for sensitive skin.

Between Barrière’s launch and recent drops like The90’s Gem UV-tracking jewelry, sun care may be turning into its own wearable category.

Where to get it

The Burn Notice patches are available directly through Barrière’s website.