Polymer-Zn(II) Sunscreens For Protection Against Harmful Blue Ray
Our skin is constantly exposed to various forms of light, not just from the sun but also from our electronic devices. While we are familiar with the damaging effects of ultraviolet (UV) rays, another type of light, known as harmful blue rays (HBRs), also contributes to skin aging and damage. Traditional sunscreens often fall short in providing adequate protection against these blue rays.
However, a recent breakthrough introduces a new material that can effectively shield our skin. Scientists have created a special complex by combining a polymer with zinc. This combination works by changing how light is absorbed. When the polymer and zinc bind together, they shift the spectrum of light they can block, allowing them to absorb both UV radiation and the problematic blue light.
This innovative material has been shown to protect skin cells from damage caused by blue light, including cell death, a process called oxidative stress (which is like rusting for our cells), and premature aging. It does this by preventing blue light from disrupting important pathways and genes involved in skin health. Furthermore, tests on mice indicated that this new protective agent caused minimal skin irritation and showed low toxicity, suggesting it could be safely applied to the skin much like existing sunscreens. This development offers a promising solution to fill the current gap in comprehensive blue light protection in skincare products.
Source: link to paper