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What is My UV Patch?
The patch is a transparent adhesive that stretches and adheres directly to any area of skin that consumers want to monitor. Measuring approximately one square inch in area and 50 micrometers thick – half the thickness of an average strand of hair – the patch contains photosensitive dyes that factor in the baseline skin tone and change colour when exposed to UV rays to indicate varying levels of sun exposure.
The patch partners with a smartphone app. My UV Patch app allows the user to scan the patch. It analyzes the varying photosensitive dye squares to determine the amount of UV exposure the wearer has received and encourages sun safe behavior. While previous technologies could tell users the amount of potential sun exposure received per hour, the sensors in the My UV Patch measure actual UVA exposure while extrapolating that of UVB rays for a more accurate reading.