Caption A new SPF 50 sunscreen prototype uses radiative cooling to both protect the skin from UV rays and cool it off. Compared to a commercial sunscreen, the new formula kept the skin cooler when ...

The prototype sunblock kept human skin up to 11 degrees Fahrenheit (6 degrees Celsius) cooler than bare skin, or around 6 F (3 °C) cooler than existing sunscreens. Radiative cooling involves ...

TikTok videos mentioning the sunscreen have been racking up millions of views since then, so it’s safe to say people were and still very much are on board with the idea of adding fun to proper sun ...