People have become accustomed to protecting themselves from the UV waves that come from the sun. But is this enough? It is now known that blue light from the sun can also cause damage to the skin. Beyond this, blue light has now come indoors, as it is emitted from the screens of electronic devices such as TVs and mobile phones.
To confuse matters there has been a considerable amount of mixed messages from the media regarding the effects of blue light. There has been a wide range of studies that investigate the impact of exposure to different wavelengths and intensities of blue light. Some of these forms can actually be beneficial to skin – treating acne and other skin conditions. It is therefore important to better educate consumers on the different wavelengths and how they need to be approached.
Shedding light on blue light
Blue light is part of the visible spectrum and is responsible for the blue colour of the sky. It is next to ultraviolet in the spectrum of sunlight, high energy, and has a wavelength ranging from 400 to 500 nm.
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