SUNSCREENS: DEVELOPMENTS AND CHALLENGES
DOI:
https://doi.org/10.22159/ijap.2018v10i6.27379Keywords:
Sun protection, UVA and UVB, Sunscreen agents, COLIPAAbstract
One of the major concerns affecting the human skin is the exposure to ultra-violet radiations (UVR) causing photo-damage and skin cancers. In order to provide preventive measures against such incidences, there is an increased demand for sun-protectants. Sun screening agents have shown beneficiary effects on the skin by reducing the exposure of UVR and its associated symptoms. Although various constituents have been recognized to have sun protecting activity, their safety and efficacy is still a concern. The United States Food and Drugs Administration (USFDA) and European Guidelines (EU) guidelines have made the sun protecting factor (SPF) and other such indices compulsory on the labels of such formulas to guide the consumers for better selection. The various ranges of radiations and skin types influence the mechanism of photoreaction and subsequent choice of the formulation. Apart from existing agents, certain novel sun-screening agents and technologies are now available to provide better protection to human populations.
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