How blue light ages your skin, also disrupting sleep

In an era dominated by technology, our skin is constantly exposed to the light emitted by devices. It is crucial to understand how this phenomenon affects skin health, an organ that not only protects us but also reflects our personal history and overall well-being.

Blue Light: What is it and where does it come from?

Blue light is a visible component of the light spectrum with a short wavelength and high energy. It mainly emanates from digital devices such as smartphones, tablets, and computers. Although it is a small part of the spectrum we receive from the sun, prolonged exposure to devices raises concerns.

Impacts of Blue Light on Our Skin

Studies indicate that prolonged exposure to blue light can lead to skin damage such as premature aging, hyperpigmentation, and disruption of the circadian rhythm, which, in turn, can affect skin health. These effects are particularly concerning given our increasing dependence on devices. Unlike UV rays, known for their harmful effects on the skin, blue light has been less studied. However, research is beginning to show that its effects can be equally damaging, causing in some cases reactions similar to those of UVA and UVB rays. Recent studies have demonstrated that blue light can penetrate the skin more deeply than UV rays and exacerbate melasma, hyperpigmentation, and premature aging.

How to Protect the Skin from Blue Light?

Fortunately, there are ways to protect the skin from blue light. These include the use of creams with specific filters, the application of protective films on screens, and the adoption of healthy habits such as limiting device use before sleep. Many products designed to protect the skin from blue light typically contain antioxidants, niacinamide, protection with iron oxide, or zinc oxide. These ingredients help mitigate the damage caused by blue light.

Psychological and Behavioral Effects of Blue Light

Excessive exposure to blue light not only affects the skin but also influences our circadian rhythm, impacting sleep and mental well-being. This, in turn, can have repercussions on skin health. It is essential to find a balance between the benefits of technology and our health. By incorporating awareness and preventive measures into our daily routine, we can enjoy the benefits of digital devices while minimizing risks to our skin and overall well-being.

Maria Gavrilova has been working as a dermatologist for 10 years. Her primary interests lie in diagnosing and treating dermatological conditions in children, as well as focusing on women's skin health.