At the ongoing CES 2019, L'Oreal showcased a new wearable technology that measures the skin hydration level.
My Skin Track pH by La Roche-Posay is a product out of collaboration between L'Oreal and wearable pioneer Professor John Rogers. The skin sticker comes with a wearable sensor and monitors the skin's hydration levels, Engadget reported.
The device is smaller than a Band Aid. Once you put it on your forearm, the dyes inside the sticker will change colour to tell how acidic or alkaline your epidermis is within 15 minutes. With the companion app, you have to take a picture of the sticker. It then shows the results based on the change in colour of the dyes.
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