# Stream2Sea Sport Mineral Sunscreen Zinc Balm, SPF 40

> Zinc oxide SPF 40 solid balm certified reef-safe by Haereticus Environmental Lab. No synthetic fragrance, water resistant 80 minutes.

- Brand: [Stream2Sea](https://nontoxicnook.com/brands/stream2sea)
- Category: Bath › Personal Care › [Sunscreen](https://nontoxicnook.com/products/category/bath-sunscreen)
- Price tier: $$
- Canonical: https://nontoxicnook.com/products/stream2sea-sport-mineral-sunscreen-spf-40

## Why we chose it

Zinc oxide SPF 40 in a solid balm tin, independently certified reef-safe by Haereticus Environmental Lab. No synthetic fragrance, no oxybenzone, no octinoxate, no chemical UV filters. Full ingredient list publicly disclosed on the brand's product page.

## Specs

- source:materials: https://stream2sea.com/products/spf-40-sport-sunscreen-zinc-balm
- source:reef-safe: https://stream2sea.com/our-story/reef-safe/
- active-ingredient: Zinc Oxide 25%
- spf: 40
- water-resistance: 80 minutes
- formula-type: Solid balm / tin
- size: 1.5 oz
- packaging: Recyclable metal tin
- certification-detail: Reef-safe certified by Haereticus Environmental Lab
- image:source-url: https://stream2sea.com/products/spf-40-sport-sunscreen-zinc-balm
- image:credit: Stream2Sea, used with permission (press kit)

## Where to buy

- [Amazon](https://www.amazon.com/dp/B0CVL3WKBJ)
- [Stream2Sea](https://stream2sea.com/products/spf-40-sport-sunscreen-zinc-balm)

Prices are deliberately omitted from this mirror — they go stale. Current prices and stock: https://nontoxicnook.com/products/stream2sea-sport-mineral-sunscreen-spf-40

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