Ecotoxicological effects of sunscreen derived organic and inorganic UV filters on marine organisms: A critical review

Hodge, AA, Hopkins, FE, Saha, M and Jha, AN 2025 Ecotoxicological effects of sunscreen derived organic and inorganic UV filters on marine organisms: A critical review. Marine Pollution Bulletin, 213. 117627. 10.1016/j.marpolbul.2025.117627

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Abstract/Summary

Sunscreens are topical personal care products that provide protection against the sun's ultraviolet A (UVA) and ultraviolet B (UVB) radiation. Ultraviolet (UV) filters are compounds added to sunscreens to block, absorb, or reflect the sun's UV rays, but are of major emerging concern due to their widespread use and global distribution. They pose a significant risk to marine organisms owing to their chemical properties, including high lipophilicity which increases their bioavailability. The present review identifies and summarises the factors that contribute to UV filter pollution, their sources, pathways, and effects on marine organisms. We identify and evaluate the current knowledge base and gaps pertaining to their effects. Here, we retrieved 111 peer-reviewed articles from four academic search engines between January and October 2024 with the topic search relating to UV filters, sunscreen and ecotoxicology. Most publications (60 %) focused on the biological effects of organic UV filters, with oxybenzone (benzophenone-3) being the most studied (57 %). Fewer publications assessed the biological effects of inorganic UV filters (40 %). Throughout all search results, the most commonly tested species were in the class of bivalvia (24 %) and oxidative stress based assays were the most popular (organic studies 40 %, inorganic studies, 39 %). To enhance understanding, future research should explore a broader range of organisms and life stages, considering dietary uptake and realistic environmental conditions, including the use of UV lighting in laboratory settings.

Item Type:	Publication - Article
Additional Keywords:	Keywords: Sunscreen Ultraviolet filters Inorganic UV filters Organic UV filters Personal care products Environmental risk assessment
Divisions:	Plymouth Marine Laboratory > Other (PML) Plymouth Marine Laboratory > Science Areas > Marine Biochemistry and Observations Plymouth Marine Laboratory > Science Areas > Marine Ecology and Biodiversity
Depositing User:	S Hawkins
Date made live:	12 May 2025 14:33
Last Modified:	12 May 2025 14:33
URI:	https://plymsea.ac.uk/id/eprint/10413

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