SPF 35 EcoSticks | Zinc Oxide Stick Sunscreen | Stream2Sea
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EcoSticks SPF 35
Mineral sunscreen that helps prevent sunburn — and is formulated to be safer for aquatic life. Our zinc oxide is non-nano, naturally-coated, and USP-grade. Not all zinc is created equal, and ours is the only zinc we've identified to pass aquatic toxicity testing. Non-greasy, gentle on sensitive skin, and it won't burn your eyes. Toss one in your beach bag, dive kit, or pocket... and protect what you love above and below the surface, with Stream2Sea.
Non-Nano
Reef-Safer™
Broad Spectrum
Water Resistant
Antioxidant Blend
USDA Biobased
EWG Verified
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3 products
EcoStick SPF 40 Sunscreen Sport
EcoStick SPF 40 Sunscreen Sport
9 reviews
Regular price $14.95
Regular price~~~~Sale price $14.95
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EcoStick SPF 40 Sunscreen For Kids
EcoStick SPF 40 Sunscreen For Kids
8 reviews
Regular price $14.95
Regular price~~~~Sale price $14.95
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EcoStick SPF 40 Tinted Sunscreen
EcoStick SPF 40 Tinted Sunscreen
10 reviews
Regular price $14.95
Regular price~~~~Sale price $14.95
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Biobased Hair & Body Care
Clean skin lotion and gels, and shampoo & conditioner body care made...
Biobased Hair & Body Care
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Value Bundles
Discover Stream2Sea's eco-conscious products in money-saving value sets.
Value Bundles
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
Stream2Sea has earned an EcoVadis Gold Medal
August 7, 2026
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
August 7, 2026
Mineral Sunscreen for Black Skin and Melanin-Ri...
July 30, 2026
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...
July 30, 2026
Eleven Years: One Moment in Palau. One Question...
July 16, 2026
In 2013, I was diving in Palau — 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...
July 16, 2026
4 Things to Know About Bemotrizinol, the New Su...
June 26, 2026
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...
June 26, 2026
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