December 30, 2025 Travel

Sunscreen and the Ocean: Protecting Your Skin and Marine Life

Learn how some sunscreens can harm coral reefs and marine life, and how to protect your skin while caring for Seychelles’ ocean.

child on mahe beach

You might not know this, but unless you are using the correct sunscreen, you are damaging the ocean and its inhabitants. But, don’t worry, we have some suggestions for you to protect yourself against the UV rays, whilst protecting our beautiful ocean.

What exactly happens when you use the wrong sunscreen?

Here is a list of some of the things that can go wrong under the water when you use sunscreens that are not ocean friendly:

  • It accumulates in the tissues of coral, which can cause bleaching, damage the coral’s DNA, deform young coral, and even kill it completely
  • It can impair the growth and photosynthesis of green algae
  • It can also accumulate in the tissue of dolphins and be transferred to their young
  • In mussels it can cause defects in the young
  • It can decrease fish and sea urchins’ fertility and reproductive systems, as well as cause female traits in male fish

The coral reefs of Seychelles 

Coral reefs in Seychelles are protected and part of the country’s national pride. People come from around the world to explore these incredible underwater eco-systems.

A healthy coral reef is more than a home for a myriad of sea creatures, it is also one of the most valuable ecosystems on earth. These reefs provide billions of dollars in environmental and economic services, like food, coastal protection and tourism.

How can you make a difference?

There are various ways to protect yourself against the sun.

  • Umbrella (seek shade between 10am and 2pm)
  • Hat
  • Long sleeved tops
  • Longer pants
  • Sunglasses
  • The correct UV sunscreen

Let’s talk about sunscreen

Protecting our oceans is no longer a debate. It is something we should all be committed to. If you are looking for a sunscreen that ticks all the conservation boxes, People4Ocean developed a product called P4O that we highly recommend.

P4O protects against both UVA and UVB rays and was developed by marine biologists. It is safe for kids and pets, as well as for pregnant and nursing women, and it’s vegan friendly. The formula is 100% natural and free from synthetics and fillers. It is also water resistant for up to three hours, but we suggest you reapply every two hours if you are swimming and sweating.

So, not only is P4O Ocean friendly, it also gives you the protection you need. This super talented product is available at STORY Seychelles

For more information on P4O sunscreen, please visit P40 Sunscreen.

Let’s protect the natural heritage of Seychelles, so that it is there for future generations to explore and enjoy.

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FAQ

Why can some sunscreens be harmful to the ocean?

Certain sunscreens contain chemicals that accumulate in coral and marine organisms, causing coral bleaching, DNA damage, and harm to sea life.

What impact do non–reef-safe sunscreens have on coral reefs?

They can impair coral growth, disrupt reproduction, damage young coral, and contribute to the overall decline of reef ecosystems.

Can sunscreen affect marine animals as well as coral?

Yes. Harmful sunscreen ingredients can accumulate in marine animals such as fish, dolphins, and mussels, affecting fertility and development.

How can I protect my skin without harming the ocean?

You can combine physical sun protection such as shade, hats, long clothing, and sunglasses with the use of reef-safe, mineral-based sunscreen.

What should I look for in an ocean-friendly sunscreen?

Choose sunscreens that are free from harmful chemicals, use natural or mineral-based ingredients, and are developed with marine safety in mind.

Are coral reefs in Seychelles protected?

Yes. Coral reefs in Seychelles are protected and form an essential part of the country’s natural heritage and marine conservation efforts.