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The Ordinary Marine Hyaluronics 30ml


Quench your skin with The Ordinary Marine Hyaluronics, an ultra-lightweight, vegan serum suitable for all skin types that moisturises and protects your complexion.

The Ordinary uses only sustainably sourced Marine Hyaluronic for this hydrating formula. Just as effective as hyaluronic acid but much lighter in feel and texture, Marine hyaluronic acid creates water reservoirs that attract and hold water on the surface of the skin, providing dehydrated complexions with optimal hydration.

Marine Hyaluronics serum combines sustainably-sourced derivatives such as exopolysaccharides from skin-friendly marine bacteria, which increases the synthesis of collagen and skin elasticity. Hawaiian red algae and micro-filtered blue-green algae (some of nature’s most potent antioxidants) detoxify the skin, while glycoproteins from Antarctic Marine Sources strengthen skin.

With 23% active ingredients, including a whole host of amino acids, which all work together to support and condition the skin, keeping your complexion smooth, supple and healthy.

Why We Love It

The Ordinary Marine Hyaluronics serum is exceptionally light and is almost the same consistency as water, which means that it’s instantly absorbed into the skin. We love how smooth and refreshed skin feels after using this, and that skin looks visibly plumper and as well as smooth. Easy to use too, with a built-in pipette so that you always apply just the right amount.

How To Use It

Use the pipette to apply a few drops to your face, and then massage the serum into the skin. Use this daily-use serum in your morning and evening skincare routine before applying your creams.

Works Well With

For even more moisturising formulas explore the full The Ordinary’s Hydrators and Oils range.


Vegan, pH 4.00 – 5.00.

paraben-free, sulphate-free, fragrance-free, alcohol-free, oil-free, silicone-free, nut-free, gluten-free, cruelty-free.

Shipping Restriction: Can only be shipped to the UK


Aqua (Water), Glycerin, Algae Extract, Pseudoalteromonas Exopolysaccharides, Pseudoalteromonas Ferment Extract, Ahnfeltia Concinna Extract, Arginine, Glycine, Alanine, Serine, Valine, Isoleucine, Proline, Threonine, Histidine, Phenylalanine, Aspartic Acid, PCA, Sodium PCA, Sodium Lactate, Salicylic Acid, Citric Acid, Propanediol, Dimethyl Isosorbide, Ethoxydiglycol, Polysorbate 20, Potassium Sorbate, Sodium Salicylate, Sodium Benzoate, Hexylene Glycol, 1,2-Hexanediol, Phenoxyethanol, Caprylyl Glycol.

  Size Price Points Earned? Stock level  

Item# Z041123

14 Pretty Pennies
More than 20 in stock
The Ordinary Marine Hyaluronics 30ml is rated 4.7 out of 5 by 3.
Rated 5 out of 5 by from Very effective! This was ordered for my daughter. She was previously using a hyaluronic acid spray that cost three times the price of this one. She feels this is just as effective and will on keep using.
Date published: 2022-07-03
Rated 5 out of 5 by from Can't be without This is one of my absolute musts in my skin care routine, a couple of drops mixed with the hemi squalene topped off with my moisturiser keeps my skin hydrated and healthy. I have dry sensitive skin prone to Eczema, this helps keep flare ups at bay..
Date published: 2022-05-17
Rated 4 out of 5 by from Very Light, good for warmer season I use this before all of my other TO product as the first step hydrator and it works good for me. Very watery and very light, I cannot feel it after application for several seconds, but it truly moisturizes my skin to be less dry. I use one through winter time to spring time, and find the texture is perfect with warmer season (I am a combination skin in warmer season and normal in winter) Would rebuy it when I am runnning out. Btw I once only use NMF+HA as my only hydrator at last step in daily routine, but later I found add this one into first step make my skin feel less tight and dry during applying, and cream is obviously not very suitable in coming summer.
Date published: 2020-04-27
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