Biodegradable Sunscreen
Our Biodegradable Sunscreen collection is for eco-conscious outdoor lovers who want effective sun protection with less impact on the planet. Whether youβre snorkeling vibrant reefs, hiking sun-drenched trails, or just enjoying a beach day, these mineral sunscreens have been proven to biodegrade safely in freshwater and saltwater as they are formulated with aquatic life in mind.Β
Each sunscreen is powered by non-nano titanium dioxide. Theyβre also formulated without synthetic fragrances, or harmful chemicals like parabens, oxybenzone, octinoxate, and sulfates - so you can enjoy every adventure knowing your sunscreen is made for you and our blue planet.Β
Non-Nano
Reef-Saferβ’
Broad Spectrum
Water Resistant
Antioxidant Blend
USDA Biobased
EWG Verified
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Tinted Sunscreen SPF 30
52 reviewsRegular price $18.95Regular priceSale price $18.95 -
Every Day Active Mineral Sunscreen
189 reviewsRegular price $26.95Regular priceSale price $26.95 -
SPF 40 Reef Saferβ’ Mineral Sunscreen
86 reviewsRegular price $24.95Regular priceSale price $24.95 -
Water Sport Sunscreen SPF 30 Travel-Size
228 reviewsRegular price $7.95Regular priceSale price $7.95 -
Every Day Active Mineral Sunscreen 16oz
92 reviewsRegular price $99.95Regular priceSale price $99.95 -
Every Day Active Mineral Sunscreen Refill
No reviewsRegular price $199.95Regular priceSale price $199.95 -
Palau Pledge Sunscreen SPF 30
1 reviewRegular price $18.95Regular priceSale price $18.95 -
Back in Stock soon!Tinted Sunscreen SPF 30 (Travel)
2 reviewsRegular price $7.95Regular priceSale price $7.95Back in Stock soon!
Explore More
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SPF Protection - Mineral Sunscreens, SPF Lip Balms & More
Protect Your Skin, Protect our Blue Planet Our reef-safer* sunscreens offer broad-spectrum...
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Biobased Hair & Body Care
Natural skin lotion and gels, and shampoo & conditioner body care made...
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Dive & Water Sports
Made for Water Lovers From eco-friendly and professional-grade mask defog solutions to...
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Value Bundles
Shop eco-friendly value bundles, sustainable gift sets, and customizable Build Your Own...
Explore the Science Behind Stream2Sea
Labels are easy. Testing takes more. Explore the research and testing behind our formulas, from aquatic toxicity and coral larvae studies to biodegradability and product quality testing, so you can make a more informed choice for yourself and our waters.
Dive Deeper Blog
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Stream2Sea has earned an EcoVadis Gold Medal
If you've ever wondered whether a brand's sustainability talk holds up behind the label, this is what an outside audit of that looks like. We're Top 5%. Here's Why That...
Stream2Sea has earned an EcoVadis Gold Medal
If you've ever wondered whether a brand's sustainability talk holds up behind the label, this is what an outside audit of that looks like. We're Top 5%. Here's Why That...
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Mineral Sunscreen for Black Skin and Melanin-Ri...
The water calls to us, regardless of skin color; and whether you're gearing up for a dive, leading a snorkel group, or simply planning a day at the beach, sun...
Mineral Sunscreen for Black Skin and Melanin-Ri...
The water calls to us, regardless of skin color; and whether you're gearing up for a dive, leading a snorkel group, or simply planning a day at the beach, sun...
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Eleven Years: One Moment in Palau. One Question...
In 2013, I was diving in Palau β one of the planet's most biodiverse coral ecosystems. It was the healthiest, most beautiful reef I'd ever seen. Then something happened that...
Eleven Years: One Moment in Palau. One Question...
In 2013, I was diving in Palau β one of the planet's most biodiverse coral ecosystems. It was the healthiest, most beautiful reef I'd ever seen. Then something happened that...
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4 Things to Know About Bemotrizinol, the New Su...
A follow-up to our earlier piece, Is Bemotrizinol Really a Safer Sunscreen Filter? What You Should Know Before Trusting It. When we first wrote about bemotrizinol, it was an ingredient...
4 Things to Know About Bemotrizinol, the New Su...
A follow-up to our earlier piece, Is Bemotrizinol Really a Safer Sunscreen Filter? What You Should Know Before Trusting It. When we first wrote about bemotrizinol, it was an ingredient...






