It is known that the blue light emitted by technological devices can affect the eyes and the quality of sleep. However, it has been suggested that blue light, especially with the increase in screen time, can also wreak havoc on the skin, notably causing premature signs of ageing. Although the blue light emitted by screens is not as concerning as that from sun exposure and further research is needed, let's explore in this article what needs to be done to stay protected from the damage caused by exposure to the sun's blue light.