Sunscreen Chemicals Are Building Up in the Ocean

Rahul Somvanshi

Sunscreen chemicals washing into oceans pose hidden dangers for marine life, with 35 kilograms entering waters daily at beaches visited by 1,000 people.

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Scientists examined 110 research papers revealing sunscreen sales will reach $13.64 billion by 2026, releasing 14,000 tonnes of UV filters into coral reefs yearly.

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UV filter chemicals spread through ocean currents globally, contaminating 95% of wastewater and 86% of water bodies from tourist spots to Antarctica.

Photo Source: Benjamin J. Burger (CC BY-SA 4.0)

Modern sunscreens combine 8 different UV-blocking chemicals making up 15% of bottle contents, with benzophenones raising concerns about toxicity.

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Beach showers at Hawaii's Hanauma Bay showed high sunscreen residue in sand, while treated wastewater used in farming carries chemicals into streams.

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Typical water treatment plants fail to filter these chemicals, leading to continuous buildup that affects marine food chains consumed by 4.3 billion people.

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European authorities investigate benzophenone-3 as potential hormone disruptor, while scientists push for urgent research on long-term ocean impacts

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Dr. Mahasweta Saha warns about adding new chemicals to already stressed marine ecosystems, calling for careful evaluation of substances entering oceans.

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