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MARA

Mini Sea Vitamin C Serum for Brightening Dark Spots & Redness with Algae

4.7 · 198 reviews
5,522 ₽

What it is: A stable, hydrating 15 percent vitamin C serum oil powered by algae, superfoods, and adaptogens to visibly brighten, even tone, and smooth texture.Skin Type: Normal, Dry, Combination, and OilySkincare Concerns: Dark Spots, Fine Lines and Wrinkles, and RednessFormulation: OilHighlighted Ingredients:- Tetrahexyldecyl Ascorbate 15%: Most stable form of vitamin C that's great for sensitive skin and is 50x stronger than L-ascorbic acid.- Vitamin C Supercharge Brand: 14 vitamin C-rich superfoods dramatically brighten the look of skin and support glow.- Adaptogens: Chlorella, reishi, and ginseng reduce the look of redness and puffiness.Ingredient Callouts: This product is vegan, gluten-free, cruelty-free, and comes in recyclable packaging.What Else You Need to Know: This 15 percent tetrahexyldecyl ascorbate vitamin C serum benefits all skin types, including sensitive, dry, and mature skin by delivering intense, lasting hydration with 14 vitamin C–rich superfoods and calming adaptogens, targeting the look of sun damage, discoloration, and redness. This is a dark spot solution that leaves skin with an all-day-long hydrated glow.Clinical Results: In an independent, consumer-use study with 47 participants ages 25 to 55, after 30 days of use:-100% agree skin feels hydrated after applying this serum-93% noticed an immediate, hydrated glow-89% agree skin appears more radiant-87% agree skin appears smootherClean at SephoraProducts formulated without certain ingredients, including parabens, sulfates, phthalates, and mineral oils, from brands that have met our specific criteria for ingredient sourcing and formulation, packaging, environmental commitments, and consumer transparency. Learn more here.

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What it is: A stable, hydrating 15 percent vitamin C serum oil powered by algae, superfoods, and adaptogens to visibly brighten, even tone, and smooth texture.Skin Type: Normal, Dry, Combination, and OilySkincare Concerns: Dark Spots, Fine Lines and Wrinkles, and RednessFormulation: OilHighlighted Ingredients:- Tetrahexyldecyl Ascorbate 15%: Most stable form of vitamin C that's great for sensitive skin and is 50x stronger than L-ascorbic acid.- Vitamin C Supercharge Brand: 14 vitamin C-rich superfoods dramatically brighten the look of skin and support glow.- Adaptogens: Chlorella, reishi, and ginseng reduce the look of redness and puffiness.Ingredient Callouts: This product is vegan, gluten-free, cruelty-free, and comes in recyclable packaging.What Else You Need to Know: This 15 percent tetrahexyldecyl ascorbate vitamin C serum benefits all skin types, including sensitive, dry, and mature skin by delivering intense, lasting hydration with 14 vitamin C–rich superfoods and calming adaptogens, targeting the look of sun damage, discoloration, and redness. This is a dark spot solution that leaves skin with an all-day-long hydrated glow.Clinical Results: In an independent, consumer-use study with 47 participants ages 25 to 55, after 30 days of use:-100% agree skin feels hydrated after applying this serum-93% noticed an immediate, hydrated glow-89% agree skin appears more radiant-87% agree skin appears smootherClean at SephoraProducts formulated without certain ingredients, including parabens, sulfates, phthalates, and mineral oils, from brands that have met our specific criteria for ingredient sourcing and formulation, packaging, environmental commitments, and consumer transparency. Learn more here.

Customer reviews

5.0
verified purchase
Love this

Love this, has cleared alot of my dark spots and blemishes.

4/6/2026
5.0
verified purchase
Skin feels smooth

I’ve been using this vitamin C serum for a while now, and my skin honestly looks fresher and more even. It gives a really nice glow without feeling sticky or heavy, and I love how quickly it absorbs. My complexion looks brighter, and my skin feels smooth and comfortable throughout the day. It’s one of those products you actually enjoy using every morning. I received this product in exchange for this post.

1/9/2026
5.0
verified purchase

Best night serum I’ve ever tried! Its oily consistency threw me off at first, but when I wake up in the morning I notice much smoother and hydrated skin. My texture and complexion have improved so much with this!

1/3/2026
5.0
verified purchase
Lovely vitamin c serum

I’ve been using the MARA Sea Vitamin C Serum in my morning routine for a few days now, and so far I’m enjoying it. The texture is silky and hydrating, and it feels very nourishing under my moisturizer, especially for my dry, sensitive skin. I notice an immediate glow after application, and it layers beautifully with SPF. It also hasn’t caused any irritation so far, which is a big plus for me since my skin can be sensitive to vitamin C. I know it’ll take a few weeks to see more noticeable brightening results, but for now I really like how it hydrates and enhances my skin’s glow right away. I’m not sure how it would work for oily skin types, as it does give a noticeable glow.

12/26/2025
3.0
verified purchase

I really liked this oil and the way it absorbed into my skin without any greasy or oily residue. I have oily skin so that was a big plus for me. However I had an allergic reaction and developed red splotches on my skin.

8/13/2026
4.0
verified purchase
Good consistency & effective, high price point

This is a nice serum consistency that absorbs and layers well. It’s not going to magically even skin tone overnight, but I find that consistent use of vitamin C does make a difference in helping spots fade. Layers well under moisturizer or even makeup without feeling greasy.

1/7/2026
5.0
verified purchase
Leaves my skin glowy

What I noticed most: my skin looks brighter overall, and the texture looks smoother like makeup sits better and I don’t look as dull by the end of the day. I also love that it doesn’t have that harsh “sting” some vitamin C serums can have. It actually feels calming, which makes sense because it’s packed with things like chlorella + reishi (plus a bunch of vitamin C-rich superfoods/adaptogens/algae). My redness looked more toned down, especially around my cheeks, and I feel like some older dark spots are slowly starting to look less obvious. If you’re looking for a vitamin C that’s more “glowy and healthy” than “strong and tingly,” this one’s a win. It’s the kind of serum that makes your skin look lit from within and more even over time bright, hydrated, and look at me radiant.

1/7/2026
5.0
verified purchase
Works wonders for my aging skin

I’ve found this Sea Vitamin C serum has helped brighten my aging menopausal skin, reduce dark spots, and revive the dullness. My skin feels smooth and hydrated after using. I like the serum is clean and cruelty free.

1/7/2026
4.0
verified purchase

I found this as oil based vitamin C serum. I am concerned for my acne probe skin but felt it as absorbing for my skin. I am eager to see this serum brighten, even tone, and help reduce dark spots, redness, and hyperpigmentation.

1/6/2026
5.0
verified purchase

I have been using the mars Vitamin C Oil consistently, and it has become a staple in my skincare routine. The texture is lightweight and smooth, making it easy to apply without feeling heavy or greasy on the skin. It absorbs well and layers nicely under moisturizer and sunscreen, which is important for daily use. themarabeauty

1/6/2026