Sunscreen is a necessity for most scuba divers, but not all sunblock is created equal. Some contain an ingredient that’s destroying coral reefs around the world. The evidence is so strong, Hawaii may pass a law banning certain sunscreens.

The primary chemical culprit is oxybenzone, an ingredient used in popular sunscreens made by Banana Boat, Coppertone, Neutrogena, and others. A recent study found it only takes a tiny amount of toxic sunscreen to kill coral. One drop of sunscreen in 3.9 million gallons / 15 million litres of water is all it takes to damage a reef.

 

Organic vs. Biodegradable vs Reef-Safe Sunscreen

– Oxybenzone (also known as benzophenone-3 or BP-3) is a commonly used ingredient in FDA-approved sunscreens, including some labeled as “coral reef safe.”

– A “biodegradable” product does not mean it’s non-toxic.

– According to NOAA: no sunscreen has been proven to be reef-friendly, but sunscreens made with titanium oxide or zinc oxide do not appear to be harmful to corals.

– Chemical processes are used to create any sunscreen, even mineral-based ones. The truly natural solution is to wear clothing rather than sunblock.

 

Sunscreen best practices

Choose to cover up rather than slather on. A long-sleeved rashguard with UV protection is a better environmental choice than any sunscreen.

Read the label: avoid sunscreens containing oxybenzone, butylparaben, octinoxate or 4-methylbenzylidine camphor. Even a small amount can cause coral bleaching.

Apply sunscreen at least 15 minutes before going in the water so the product can absorb into your skin. This also improves its effectiveness.

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Natural Sunscreens

Since we first started writing about reef safe sunscreens in 2013, the number of natural sunscreens has increased tremendously. Below is our updated list of the “best” sunscreens for scuba divers.

List Criteria / Disclaimer: PADI® does not have a bio-chemist on staff, and we don’t have a lab to test hundreds of sunscreens. Luckily, there is an organization that does – EWG. We compared their list of recommended sunscreens to products with a high number of positive reviews on Amazon.com.

The sunscreens below are not endorsed by PADI; howeverif you buy one or more of the products below (where applicable), a portion of the sale will be donated to support conservation efforts of Project AWARE®. 

We chose sunscreens with a minimum 4-star rating on Amazon and a very low hazard score from EWG. Sunscreen sprays were the exception. There are no natural, spray-on sunscreens on EWG with a score lower than three. So, the sprays on our list have a maximum hazard score of 3 from EWG* and a minimum 3.5 star rating on Amazon.

Special note: the first product on our list, Stream2Sea, has extensively researched and tested their product to ensure it’s as coral-friendly as possible.

Top-Rated Sunscreens for Scuba Divers

1. Stream2Sea biodegradable, tested and proven reef safe sunscreen for face & body, mineral sunblock with SPF 30 UVA/UVBCoral Safe Sunscreen

  1. TotLogic Natural Sunscreen SPF 30, 3 oz – Broad Spectrum, Non Nano Zinc Oxide Mineral Sunblock is Reef Safe and Water Resistant, Hypoallergenic, Plant Based Formula Safe for Kids and Adults
    Coral Safe Sunscreen

 

  1. Blue Lizard Australian SUNSCREEN SPF 30+, Sport SPF 30+, 5-Ounce

Coral Safe Sunscreen

  1. Burn Out SPF 30 Physical Sunscreen, Ocean Tested, 3.4 Ounce
    Coral Safe Sunscreen

 

  1. Beyond Coastal Active SPF 34 Sunscreen (4-Ounce)

Coral Safe Sunscreen

 

    1. Waxhead Tinted Zinc Oxide Sunscreen Stick (4 ingredients, 3.7 oz) Very Water Resistant, Non-Toxic, Reef Safe, Broad Spectrum, SPF 30, Made in USA

Coral Safe Sunscreen

 

  1. Badger SPF 35 Sport Sunscreen Cream – 2.9 fl oz TubeCoral Safe SunscreenCoral Safe Sunscreen

 

    1. All Terrain AquaSport, 6 Ounce, SPF 30, Natural Sunscreen Lotion, Oxybenzone, Paraben, and Chemical Free, Water and Sweat Resistant for Active, Outdoor Lifestyles, Protects Skin from UV Rays, NaturallyCoral Safe SunscreenCoral Safe Sunscreen

 

  1. MyChelle Sun Shield Unscented SPF 28, Mineral-Based Sunscreen with Zinc Oxide and Antioxidants for All Skin Types, 2.3 fl ozCoral Safe Sunscreen

Choosing a natural or organic sunscreen is one element of the Ocean Health Pillar, one of PADI’s Four Pillars of Change. By reducing human pressures that threaten the future of our blue planet, we aim to make a significant impact on threats to our oceans. Keep in mind threats such as coastal pollution, overfishing, and sedimentation are a greater threat to coral reefs than sunscreen. PADI encourages all divers to make ocean-friendly choices in all aspects of their lives and support the conservation efforts of Project AWARE.

*We also excluded sunscreens with ingredients the red zone or more than one yellow zone for health concerns or UVA/UVB balanced protection.

 

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