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Written by OSEA Staff | Last Updated on: May 5, 2026.
Of all the products in your skincare routine, sunscreen might be the most universal. It’s one of the best ways to help protect against premature fine lines and wrinkles, as well as skin cancer. UV damage happens year-round. Through windows. Even on cloudy days. Dermatologists agree: SPF is the essential final step in any daily skincare routine—no matter your skin type or tone. It’s your non-negotiable every single day.
But finding a clean, mineral sunscreen you actually want to wear? That’s where things get tricky. Mineral SPF is notorious for being thick, chalky, goopy and difficult to blend. Creating a clean, lightweight formula that met our rigorous ingredient standards—and felt good on skin—seemed nearly impossible. Until now.
Sunscreen for the Sun You Live In
Meet Marine Screen SPF 50—a daily mineral sunscreen designed for the sun you live in. This clean, lightweight, fragrance-free formula delivers broad-spectrum SPF 50 protection to help prevent visible signs of aging while nourishing skin. The result: softer, smoother, protected skin with a hydrated, natural finish. Blendable, non-greasy and untinted, it wears beautifully on its own, over moisturizer, or under makeup. It’s suitable for all skin types and safe for sensitive skin. Marine Screen is the essential final step in your daily skincare routine. It's not just sunscreen for the beach; it's a defense for everyday living, made to live within your everyday rituals. This is mineral sunscreen, reimagined.
What Makes This SPF Feel So Good?
The real difference is in the formula. Marine Screen goes beyond traditional sun protection by combining mineral SPF protection with marine-enriched skincare benefits. It checks all the boxes for the perfect, clean sunscreen, proving that the unicorn formula does, finally, exist.
At its core is non-nano zinc oxide, a clean, eco-friendly, mineral filter that sits on the surface of the skin to shield against both UVA and UVB rays. Mineral filters are designed to form a physical barrier, helping protect skin by reflecting, absorbing and scattering harmful rays.
But clean protection is only part of the story. Our unique formula harnesses the power of the sea to nourish skin. Sustainably sourced in Brittany, France, and packed with amino acids and antioxidants, our signature ingredient, Undaria seaweed mineralizes skin. Next we added hyaluronic acid, a humectant, to boost hydration, for a softer, smoother complexion. Finally, an olive-derived natural silicone alternative gives the formula its unique lightweight, non-greasy texture, helping it glide on and blend in effortlessly. The result is a mineral sunscreen that feels less like SPF and more like skincare. Because it is.
Clinically Tested, Powerfully Hydrating
Marine Screen isn’t just about sun protection—it also hydrates, nourishes and improves the skin’s moisture barrier over time. We put our products through independent trials so that you can always trust that you'll sea results. And in clinical and consumer testing, our innovative sunscreen passed with flying colors:
How to Use Marine Screen in Your Routine
Marine Screen should be applied every morning as the final step in your skincare routine. Apply at least 15 minutes before sun exposure and reapply every two hours for full SPF protection.
Here’s how to layer it into your sea-powered morning routine.
Step 1: Cleanse
Start with our seaweed-infused Ocean Cleanser to remove everything from dirt to excess oils. It cleanses, gently exfoliates and feels as refreshing as a dip in the ocean.
Step 2: Treat
Apply a few drops of our Hyaluronic Sea Serum to your face to visibly smooth lines and add a hefty dose of powerful hydration.
Step 3: Depuff
Roll on our Ocean Eyes® Serum to visibly reduce dark circles, puffiness and awaken tired eyes in just one swipe.
Step 4: Moisturize
Smooth on our silky, featherweight Atmosphere Protection® Cream to moisturize and help counteract the look of aging from pollution.
Step 5: Protect
Top it off with our new Marine Screen SPF 50, for clean, lightweight, hydrating, mineral protection. Pro tip: To minimize white cast, apply over moisturized skin, warm between fingers and gently press in. The natural finish looks as good as it feels, making SPF feel like a treat, not a chore. Marine Screen is also perfect for layering under makeup. Just remember to let it sit for 60-90 seconds before applying.
Ready to sea the sun in a fresh, new way? Shop Marine Screen here.