The formulator may be able to eliminate a thickening agent from sunscreens by using zinc oxide
It is well known that sunscreen prevents sunburn, reduces the risk of melanoma and reduces the sun-related ageing of skin. Consumers not only demand that sunscreen be effective, they also prefer sunscreens with organoleptic properties.
In addition, there is a growing trend for sunscreens to contain natural ingredients that can safely be applied to human skin and which are environmentally safe. These are some of the more recent challenges that manufacturers face as they design their sunscreen formulations
The manner and extent of regulation of sunscreens vary across the world. In the USA, the FDA regulates sunscreens as a drug. In Canada, depending upon its formulation, a sunscreen might be classified either as a natural health product or an over-the-counter drug.1,2
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