Sport Ultra Sunscreen SPF 100
SPF 100 chemical sunscreen. Contains oxybenzone, avobenzone, homosalate, octisalate. Banana Boat is one of the most popular sunscreen brands.
How scores are calculated
Materials (40%): How plastic-free the product is — raw materials, construction, and coatings.
Packaging (20%): Is the product packaged in plastic? Is it recyclable?
Transparency (20%): Does the brand disclose ingredients, sourcing, and manufacturing?
Durability (20%): How long does it last? Longer-lasting products reduce plastic waste over time.
This is a rating of this specific product only — not the company. Other products from this brand may score differently.
Last updated: April 6, 2026
Conventional chemical sunscreens contain oxybenzone, octinoxate, homosalate, and other UV filters that are absorbed through the skin and detected in blood, urine, and breast milk. Mineral sunscreens (zinc oxide, titanium dioxide) are not absorbed through the skin.
Why We Rated It This Way
Banana Boat Sport contains oxybenzone — which reaches blood concentrations 277 times higher than the FDA safety threshold after a single day of use. Mineral sunscreens (zinc oxide) are not absorbed and provide equivalent sun protection.
Chemical & Health Analysis
Each chemical of concern is broken down below — what it is, where it comes from in this product, what it does to the body, and who is most at risk.
oxybenzone
Chemical UV filter absorbed through skin
Endocrine disruption, detected in blood at 277x FDA safety threshold
All health claims are based on published, peer-reviewed research from the NIH, WHO, IARC, and peer-reviewed journals. This information is for educational purposes and does not constitute medical advice.
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