COSRX Hyaluronic Acid 3 Serum is a concentrated hydrating treatment designed to replenish moisture and reinforce the skin barrier. Formulated with 3% sodium hyaluronate, it delivers long-lasting hydration while helping improve elasticity and skin texture.

The addition of amino acids, ceramide NP, cholesterol, and phytosphingosine supports barrier repair, making this serum ideal for dry, dull, or aging skin in need of deep moisture and resilience.

Key Benefits

• Deeply hydrates and plumps the skin
• Strengthens the skin’s natural moisture barrier
• Softens the appearance of fine lines
• Improves overall skin texture and elasticity
• Suitable for dry, dull, and aging skin types

How to Use

After cleansing and toning, apply 2–3 drops evenly over the face. Gently pat until fully absorbed. Follow with a moisturizer to lock in hydration. Use morning and night for best results.

Product Information

Full Ingredient List

Water, Butylene Glycol, Propanediol, Glycerin, Sodium Hyaluronate (3%), 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