MARINA Biome Brightening Concentrate - Refill - Earth Harbor Naturals

Glow Treatment — Brightens — Balances — Instant Radiance

MARINA Biome Brightening Concentrate - Refill

Name: MARINA Biome Brightening Concentrate - Refill
Brand: Earth Harbor Naturals
SKU: MARREFIL102
Price: 32.3 USD
Availability: InStock

$32.30~~$34.00~~

4.9

Rated 4.9 out of 5 stars

591 Reviews

Set sail with this highly concentrated treatment, powered by 12 botanical actives to brighten, balance, and support your microbiome for a radiant, glowing complexion.

Our refills are the same Earth Harbor gems, sealed with aluminum tops and completely plastic-free! While many brands use pouches for refills, our glass bottles with aluminum tops have a lower ecological footprint based on sustainability-focused research. Both materials are widely and easily recycled, making refilling truly waste-free!

✓ Free US shipping $50+

✓ Easy free 30-day returns

Recommended for:
All skin types. Literally.

Helps with:

• Dullness
• Youthful Glow-Up
• Imbalance
• Uneven Tone
• Oil Control

Scent: Floral and herbal with fruity notes
Texture: Lightweight oil
Color: Blue (from spirulina, blue tansy, and blueberry)

1oz | 30 ml glass bottle with aluminum top

Apply a few drops to clean skin, after serums or on its own, before moisturizer. Can be mixed into serums or moisturizer.

2x Daily AM PM

Skincare application guide

Spirulina & Blue Tansy · brighten + balance
Blueberry & Rosehip · refine complexion + soften lines
Watermelon & Squalane · hydrate + restore
Green Tea & Vitamin E · antioxidant-rich + youthful glow
Botanic Lipid Complex · nourishes + supports barrier

Our Commitment to Quality

100% Nature-Identical
No Harsh Synthetics
No Fillers, Only Actives
Clinically & Scientifically Proven
Dermatologist Tested
Certified Safe for Sensitive Skin
Non-Toxic (Toxicologist Audited)
Third-Party Safety & Stability Tested

Clean & Ethical Practices

Ultra-Clean Ingredients
Free from Artificial Fragrances & Dyes
Traceable, Ethical, Premium Ingredients
Non-GMO Verified Ingredients
Sustainably Sourced & Verified
Cruelty-Free & Vegan Certified
European Union Certified

Sustainability at Heart

Plastic Neutral Certified
Carbon Neutral Certified
Zero-Waste Refills
Ocean-Friendly
1% for the Planet Member
Reusable & Biodegradable Packaging

Crafted with Care

Artisan Small Batches
In-House Lab Made
Herbalist-Chemist Formulated
Good Manufacturing Practices Certified

Proudly Independent

Small Family Business
Woman-Owned
Independently Operated, Never Outsourced

Packaging
Our glass containers are 100% recyclable, and closures use 50% PCR plastic (varies by availability). Boxes, inserts, and shipping materials are compostable, made with FSC-certified/recycled paper and soy-based ink. Every product also has a plastic-free option and zero-waste refills.

How to recycle
For a zero-waste choice, get a refill. Each comes in a glass bottle with an aluminum lid. Swap your old closure onto the new bottle, then recycle the empty glass and lid! If not refilling, wash, remove the label, and recycle the glass. Take apart closures and check local recycling guidelines—small pieces (like closure elements and label backing) can be recycled through PACT Collective or be discarded. All boxes and shipping materials can be composted, reused, or recycled.

Plastic Free & Refill Option

Buy It With

MERMAID MILK Nutrient Glow Moisturizer

Regular Price: From $19.20

-20%

Quick Buy

Buy It With

SUNSHINE DEW Antioxidant Cleansing Oil

$16.00 ~~$20.00~~

-20%

Quick Buy

Buy It With

TIDAL ROSE Seaweed Hydration Mist

$9.60 ~~$12.00~~

-20%

Quick Buy

Clinically Tested

Toxicologist Audited

Dermatologist Tested

Sensitive Skin Safe

Cleanest Ingredients

100% nature-identical

Artisan Crafted

in-house lab small batches

1% Donated

to ocean conservation

Ethical Pioneers

built on passion and purpose

Marina Concentrate is a potent treatment that delivers oil-based actives to boost radiance, balance the skin’s microbiome, and provide an instant glow—with benefits seen even in one use. It enhances skin texture, hydration, and overall vibrancy for a fresh, glowing complexion.
Use it like any treatment. After cleansing and toning, apply a few drops of Marina Concentrate to your face and gently press it in. If layering, apply serums first, then your concentrate, and finish with a moisturizer. For an instant glow, use up to twice daily or as needed. You can also mix a few drops into toners, serums, or moisturizers to streamline your routine and boost results.
Concentrates are highly potent treatments that deliver a concentrated dose of oil-based active ingredients, while serums typically deliver water-based actives. Serums are ideal for daily use, whereas concentrates work faster and don't require daily application. Our concentrates can be used daily (a few drops go a long way), with their full power revealed through regular use. They have a richer, oil-based texture and should be applied after serums and before moisturizers. Additionally, concentrates are great for skincare cocktails—add them to toners, serums, or moisturizers for extra benefits and convenience.
Marina can be used daily, both morning and night, for an instant glow and to promote long-term skin balance. It’s gentle enough for daily use and can be layered or blended with other treatments in your routine.

Absolutely! Marina Concentrate works beautifully with other Earth Harbor products. If you're using active treatments or serums, apply those first, then follow with your concentrate, finishing with moisturizer for optimal hydration and radiance. For added convenience, you can also mix a few drops of the concentrate into other products to streamline your routine and boost results.
Yes! Marina Concentrate is perfect for sensitive and reactive skin. Its hydrating and microbiome-balancing ingredients soothe irritation and help promote clarity, all while supporting a healthy glow—without clogging pores or causing breakouts.
Many users notice an instant glow and improvement in skin texture after the first application. With regular use, Marina Concentrate helps balance skin, even out tone, and boost radiance over time.
For daytime, pair Marina with Mermaid Milk Moisturizer for creamy, balancing hydration and Celestine Serum to smooth and improve elasticity. At night, use Luna Rain Serum to exfoliate and refine skin, and Mermaid Moon Balm Cream to hydrate and restore the barrier. Together, these products promote balance and radiance.

Real Results

Recyclable Packaging

Refill Options

Clean Ingredients

4.9

Rated 4.9 out of 5 stars

Based on 591 reviews

Total 5 star reviews: 538 Total 4 star reviews: 31 Total 3 star reviews: 13 Total 2 star reviews: 6 Total 1 star reviews: 3

96%would recommend these products

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591 reviews

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HM
Helene M.
Verified Buyer
Reviewing
MARINA Biome Brightening Concentrate
I recommend this product
Age Range 65+
Skin Type Sensitive
Skin Concerns Dullness
Rated 5 out of 5 stars
Yesterday
Love this stuff for my senior skin
Applying Marina concentrate after washing with the sunny dew oil just makes my senior face feel terrific and feel so soft. I have been using these two in combination for 6 most and can really tell the difference in texture and softening of those little lines.
Was this helpful?
MJ
Molly J.
Verified Buyer
Reviewing
MARINA Biome Brightening Concentrate
I recommend this product
Age Range 25-34
Skin Type Dry, Normal
Skin Concerns Dryness, Pores
Rated 5 out of 5 stars
2 days ago
Love the Marina Biome
I've been a big fan of Earth Harbor for a few years now. Their products always make my skin feel so nice. So far I'm enjoying incorporating the Marina Biome into my morning face routine, and my skin is loving it too :)
Was this helpful?
C
Courtney
Reviewing
MARINA Biome Brightening Concentrate
I do not recommend this product
Rated 1 out of 5 stars
1 week ago
1 Star
Poor customer service.
Was this helpful?
CR
Cynthia R.
Verified Buyer
Reviewing
MARINA Biome Brightening Concentrate
I recommend this product
Age Range 55-64
Skin Type Mature
Skin Concerns Dryness, Anti-Aging
Rated 5 out of 5 stars
1 month ago
Brighter
Smells wonder and so far it’s im working great .
Was this helpful?
JM
Jacklyn M.
Verified Buyer
Reviewing
MARINA Biome Brightening Concentrate
I recommend this product
Age Range 35-44
Skin Type Normal, Mature
Skin Concerns Dullness, Dark Spots, Anti-Aging
Rated 5 out of 5 stars
1 month ago
AMAZING
I struggled with dark spots really bad, I’ve been using this for the last 3 years. My face is free of any discoloration & it’s bright, vibrant & even!
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MARINA Biome Brightening Concentrate - Refill

Cleanest Ingredients

Artisan Crafted

1% Donated

Ethical Pioneers

MARINA Biome Brightening Concentrate - Refill

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