FDA Researchers Analyze OTC Spray, Powder Products, Finding Possible Respiratory Risks
Executive Summary
Of 32 OTC drug products intended for topical uses but marketed in spray or powder forms – mostly sunscreens and antiperspirants – the powder formulas overall contained larger percentages of particles in the sub-5 µm range capable of penetrating deep into the lungs. The researchers say the study does not reflect agency views or policies but could be useful to FDA in its public health mission.
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