Sodium Hyaluronate
A powerful humectant that holds up to 1000 times its weight in moisture, deeply hydrating the skin and restoring moisture balance to alleviate dryness and improve skin elasticity.
COSRX
COSRX The Hyaluronic Acid 3 Serum 20ml – Deep Hydration Facial Serum 20ml (0.67 fl oz)
57.49
151.90
-62%New price(VAT incl.)
51.74 with code GOLD10
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Benefits
- Skin Health
- Hydration & Moisture
TextureSerum
Skin typeAll skin types
Key Ingredients
Sodium Hyaluronate: A powerful humectant that holds up to 1000 times its weight in moisture, deeply hydrating the skin and restoring moisture balance to alleviate dryness and improve skin elasticity.
100% Authentic Guaranteed
100% Authentic · Verified Supply Chain
Sourced directly from the brand or its authorised distributor — never third-party resellers.
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COSRX The Hyaluronic Acid 3 Serum is designed for people looking to boost their skin's hydration with a concentrated 3% hyaluronic acid formula. It's meant to help plump the skin and support the moisture barrier, making it a good fit for anyone wanting a more hydrated complexion as part of their daily routine.
Water, Butylene Glycol, Propanediol, Glycerin, Sodium Hyaluronate, Pentylene Glycol, 1,2-Hexanediol, Diethoxyethyl Succinate, Sodium Polyacryloyldimethyl Taurate, Betaine, Xanthan Gum, Dimethicone, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Sodium PCA, Sodium Lactate, PCA, Glyceryl Acrylate/Acrylic Acid Copolymer, Hydrogenated Lecithin, Ethylhexylglycerin, Serine, Alanine, Glycine, Sodium Phytate, Sorbitan Isostearate, PVM/MA Copolymer, Glutamic Acid, Citric Acid, Lysine HCl, Threonine, Arginine, Sodium Methyl Stearoyl Taurate, Proline, Ceramide NP, Cholesterol, Caprylic/Capric Triglyceride, Phytosphingosine, Stearic Acid, Oleic Acid, Alcohol, Tocopherol, Lactic Acid, Caprylyl Glycol, Caprylhydroxamic Acid.
As printed on the pack.
From the product label.
COSRX: Korean Skincare Science Meets Simplicity
COSRX is a Korean skincare brand dedicated to solving real skin concerns through ingredient-focused formulations and dermatological expertise. The brand's philosophy centers on understanding individual skin needs—from acne and sensitivity to aging and hydration—offering targeted solutions backed by science. As the official store, COSRX guarantees authenticity and provides tools like their Skin Quiz and Routine Builder to help customers find their perfect regimen.
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Fits your routine
COSRX The Hyaluronic Acid 3 Serum 20ml – Deep Hydration Facial Serum 20ml (0.67 fl oz)
Label directions: After cleansing, during the serum phase, apply a few drops to the skin.
- Slot
- Morning
From the product label. A planning tool, not medical advice. You can change everything afterwards.
Key Ingredients(3)
Ceramide NP
A lipid that strengthens the skin barrier and protects against external stressors, helping to prevent moisture loss and maintain skin hydration.
Amino Acid Complex (NMF)
A blend of amino acids including serine, alanine, glycine, and others that improve the skin barrier function and protect against dryness and dehydration.
How to Use
After cleansing, during the serum phase, apply a few drops to the skin. Use fingertips to gently massage and absorb the serum, starting from the center of the face working towards the edges. Can be used morning and/or evening.
Specs last updated: May 17, 2026
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