![]() Nano zinc particles are used as an active ingredient in many sunscreen products used to protect against overexposure to the sun’s damaging UV rays. The sun is a rich source of vitamin D for the body, but also carries the risk of harmful damage when there is overexposure. Its therapeutic benefits help to protect the skin. ![]() The general consensus from this research indicates that nano zinc oxide is not dangerous to the skin. This is besides other academic and scientific research papers that have been published from different countries. Various studies on nano zinc oxide have been conducted by agencies such as the Food and Drug Administration and the European Union. ![]() Are nano zinc oxide particles dangerous to my skin? However, as zinc oxide nanoparticles are still a relatively new material in the field of biomedicine, more research is still ongoing to ensure their use does not lead to adverse effects. This has promoted their use in various aspects of biomedicine as a means of harnessing their therapeutic benefits. These particles have also been found to have various antibacterial, anticancer, immunomodulatory and antioxidant effects. It is used extensively in such work as drug delivery, biological labelling, biological sensing and nanomedicine. This makes it beneficial for use in the medical field. Zinc oxide nanoparticles have also been found to have strong microbial resistance. Various studies have shown that there is no or negligible amount of particles that can penetrate the skin. When applied, the particles rather sit atop the surface of the skin, from where they act to block UV rays. In addition, despite their very small molecular structure, these nanoparticles are safe for application to the skin. their effectiveness in sun protection has made them a popular sunscreen ingredient for many years. Zinc oxide (ZnO) nanoparticles are considered special and the preferred active ingredient for sunscreen because of their ability to reflect, scatter, and therefore block the sun’s rays. Too much exposure to sunlight can cause the skin to age and increase the risk of developing conditions like skin cancer. Both are effective at protecting human skin from the damaging effects of the sun’s rays. There are mineral and chemical-based sunscreens. When buying sunscreen, you will find that there are two options available. Even nano particular zinc oxide has been found to be safe for use in sunscreen as undamaged skin is an effective barrier against its penetration, meaning no or negligible amounts of the molecules can penetrate. While both types of sunscreen can be effective in preventing UV radiation from harming the skin, mineral-based sunscreens tend to have an edge as they offer less chemical exposure. And, those made using chemical ingredients like octisalate and oxybenzone that absorb the UV rays before they can damage skin cells. Those made using mineral ingredients like titanium dioxide and zinc oxide that work by blocking and scattering harmful UV rays before they have a chance to penetrate. It typically comes in lotion form that allows for easy spreading on exposed skin. It primarily helps to reduce the risk of skin cancers and premature skin ageing. Sunscreen is considered one of the best ways to protect skin from sun damage caused by excessive UV exposure. The same is true of non-nano zinc oxide particles that are larger than 100 nanometres. Studies have already shown that nanoparticles of zinc oxide do not pass through the skin barrier and therefore do not pose a health risk. A nanoparticle is a particle that is smaller than 100 nanometres. Nano particular refers to the size of the zinc oxide molecules. When applied it settles on the skin without penetrating and works by scattering and reflecting the sun’s UVA, UVB and UVC rays. Zinc oxide is a mineral that used in sunscreen as an active ingredient in blocking harmful sun rays. What is Nanoparticular Zinc Oxide and why is it safe in sunscreen?
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