An important specification parameter in the determination of zinc oxide (ZnO) quality is the 325 mesh or 44 micron (µm) sieve test. Testing for oversized zinc oxide particles is accomplished by passing the powder through a screen that has openings precisely calibrated in microns. Figure 1 below shows a 325 U.S. mesh sieve. Each square […]
Vizor Introduces Next Gen Zinc Oxide Technology, Enables Higher SPF Super Zinc® Natural and Super Zinc® 1000 Utilize Patent-Pending Surface Modification to Enhance Ease of Formulation in a Broad Range of Consumer Products MIDDLESEX, N.J., July 23, 2019 /PRNewswire/ — Vizor, LLC today announced it has launched two new next-generation inorganic sunscreen ingredients based on patent-pending surface modification […]
The U.S. Food and Drug Administration today issued a proposed rule that would update regulatory requirements for most sunscreen products in the United States. This significant action is aimed at bringing nonprescription, over-the-counter (OTC) sunscreens that are marketed without FDA-approved applications up to date with the latest science to better ensure consumers have access to safe and […]