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Sun Turns Zinc Oxide Sunscreen Toxic | News Radio 1190 KEX

Oregon State University researchers find exposure to the sun turns zinc oxide sunscreen toxic after two hours and it loses 80% of effectiveness.

Plot Twist: Zinc-Oxide Sunscreen Toxic, According to OSU Study

Zinc oxide sunscreen loses effectiveness, becomes toxic after 2 hours

Sunscreen that includes zinc oxide, a common ingredient, loses much of its effectiveness and becomes toxic after two hours of exposure to ultraviolet

OSU Study: Some Sunscreen Becomes Toxic

Sunscreen that includes zinc oxide, a common ingredient, loses much of its effectiveness and becomes toxic after two hours of exposure to ultraviolet radiation, according to a collaboration that included Oregon State University scientists. The toxicity analysis involved zebrafish, which share a remarkable similarity to humans at the molecular, genetic and cellular levels, meaning many zebrafish studies are immediately relevant to people. Findings were published today in Photochemical & Photobiological Sciences. The research team, which included College of Agriculture Sciences faculty Robyn Tanguay and Lisa Truong and graduate fellow Claudia Santillan, sought to answer important but largely neglected questions regarding the massive global sunscreen market, predicted by market data firm Statista to be worth more than $24 billion by the end of the decade. The questions: How stable, safe, and effective are sunscreen ingredients in combination rather than as individual compounds – w

OSU study: After 2 hours, sunscreen with zinc loses effectiveness, becomes toxic