Abstract
AbstractSunscreens are topical formulations incorporating filters that protect our skin against ultraviolet radiation (UVR) emitted by the sun. Sunscreen use has been increasingly encouraged to protect against sunburn, skin cancer and photoaging that can occur because of prolonged and cumulative sun exposure. However, sunscreens and their constituent UVR filters have been purported to be problematic themselves. In this narrative review, we will describe the history of sunscreens, types of UVR filters and how sunscreens are classified and rated. We will also explore some of the controversies regarding sunscreens, including concerns about their safety and environmental impact. Awareness of these potential consequences is paramount to the process of informed decision‐making.
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