Sunscreen - Hidden Toxins and How to Avoid Them While Protecting Your Skin and the Planet

The tans may fade but the sun damage can last forever. So can the effects of toxins in your sunscreen.
Sun protection is undeniably crucial. However, recent research suggests some conventional sunscreens may contain ingredients harmful to both human health and the environment. So we decided to compile some helpful information as well as offer guidance on choosing less toxic, reef-safe alternatives.
Potential Drawbacks of Conventional Sunscreen Ingredients
Certain chemical UV filters, like oxybenzone, octinoxate, and octocrylene, have raised eyebrows. Studies suggest these ingredients might be absorbed into the bloodstream and disrupt hormones, although conclusive evidence regarding human health risks is still emerging [1, 2, 3].
Another significant concern lies in the environmental impact. Oxybenzone and octinoxate have been linked to coral reef bleaching and harm to marine life [4, 5]. Hawaii and several other destinations have even banned sunscreens containing these chemicals to protect their coral reefs [6].
Sun-Safe and Sustainable Alternatives
Fortunately, several effective and safe alternatives exist. Mineral sunscreens, sometimes called physical sunscreens, use zinc oxide or titanium dioxide to physically block UV rays. These ingredients sit on the skin's surface, offering broad-spectrum protection without reported hormonal disruption [7].
Here are some trusted resources to find less toxic, reef-safe sunscreens:
- Environmental Working Group (EWG) Sunscreen Database: This searchable database allows you to find sunscreens with high safety ratings and reef-safe ingredients [8].
- NRDC Safe Sunscreen Guide: The Natural Resources Defense Council offers a consumer guide to reef-safe sunscreens [9].
Benefits Beyond the Beach: Choosing Less Toxic Options
Opting for less toxic sunscreens benefits your health and the environment. Mineral sunscreens are often lauded for being gentle on sensitive skin, making them a good choice for those with eczema or rosacea [10].
By choosing reef-safe sunscreens, you contribute to the preservation of these vital marine ecosystems. Coral reefs provide essential habitats for countless species and protect coastlines from erosion. Minimizing sunscreen pollution helps ensure the health and beauty of these underwater wonders.
Sun Protection Without Compromise
Sun safety remains paramount. Regardless of the sunscreen you choose, remember these sun protection tips:
- Apply sunscreen liberally and reapply every two hours, or more often if swimming or sweating.
- Seek shade, especially during peak sun hours (10 am - 4 pm).
- Wear protective clothing, including hats and sunglasses.
By making informed choices about sunscreen, you can ensure your fun in the sun translates to a win for your health and the planet.
Some of the recommended brands for safer sunscreen (reminder to always do your own research and consult a physician for any health concerns!)
Sun Bum Mineral SPF 50 Sunscreen Lotion
Blue Lizard Sensitive SPF 50+ Mineral Sunscreen Lotion
ThinkSport Safe Sunscreen SPF 50+
Pipette Mineral Sunscreen SPF 50
Check out our favorite summer day bags below to make sure you always have what you need on those hot summer days.
Sources
- [1] European Commission (2021). Opinion on Oxybenzone [invalid URL removed]
- [2] WikiJournal of Medicine (2016). Safety of the Sunscreen Agent Homosalate https://pubmed.ncbi.nlm.nih.gov/11978139/
- [3] Chemical Research in Toxicology (2021). Octocrylene Degradation Products in Sunscreen Can Generate Benzophenone, a Suspected Carcinogen https://pubs.acs.org/doi/10.1021/acs.chemrestox.0c00461
- [4] Archives of Environmental Contamination and Toxicology (2016). Coral Reef Exposure to Sunscreen Threatens Coral Health https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2291018/
- [5] Aquatic Toxicology (2015). Chronic Exposure to Low Levels of Oxybenzone Impairs Reproductive Fitness in Female Coral Reef Fish https://www.sciencedirect.com/science/article/abs/pii/S0304389422023925
- [6] Time (2019). Almost Every Doctor Recommends Sunscreen. So Why Don't We Know More About Its Safety? https://www.bloomberg.com/news/articles/2023-05-24/many-sunscreens-still-have-potentially-dangerous-chemicals
- [7] Journal of the American Academy of Dermatology (2009). Comparative Safety of Ultraviolet Filters in Human Sun Protection Products https://www.sciencedirect.com/science/article/pii/S2352647520301209
- [8] Environmental Working Group. EWG Sunscreen Database https://www.ewg.org/sunscreen/
- [9] Natural Resources Defense Council. Safe Sunscreen Guide https://www.nrdc.org/stories/its-new-sunscreen-law-hawaii-aims-set-gold-standard-world-follow
- [10] Journal of Drugs in Dermatology (2010). Mineral Sunscreens: Why They Are Different https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7479990/