COSRX The Alpha-Arbutin 2 Discoloration Care Serum 50ml

A lightweight facial serum designed to help improve the appearance of dark spots, post-blemish marks, dullness, and uneven-looking skin tone.

Its concentrated formula combines 2% alpha-arbutin, niacinamide, tranexamic acid, acetyl glucosamine, ferulic acid, glutathione, licorice root extract, panthenol, and multiple forms of hyaluronic acid for brightening, moisturizing, and skin-conditioning care.

Key ingredients:

Alpha-Arbutin — 2%
Helps improve the appearance of dark spots and uneven-looking skin tone.

Niacinamide
Helps improve the appearance of dullness and support a brighter, more even-looking complexion.

Tranexamic Acid
A skin-conditioning ingredient included to support the appearance of a more even skin tone.

Acetyl Glucosamine
Helps condition the skin and support smoother, more even-looking texture.

Ferulic Acid and Glutathione
Provide antioxidant and skin-conditioning care.

Licorice Root Extract
A botanical ingredient included to support a brighter and more even-looking complexion.

Panthenol and Allantoin
Help moisturize and maintain a comfortable skin feel.

Multi-Hyaluronic Acid Complex
Sodium hyaluronate, hydrolyzed hyaluronic acid, sodium hyaluronate crosspolymer, hyaluronic acid, and sodium acetylated hyaluronate help attract and retain moisture.

Best for:

• Dark spots and uneven-looking tone
• The appearance of post-blemish marks
• Dull or tired-looking skin
• Normal, combination, oily, or dry skin
• Customers seeking targeted brightening care
• Morning or evening skincare routines

Texture and finish:

A lightweight serum that spreads smoothly and absorbs without leaving an excessively greasy or heavy residue.

Individual experiences with absorption, hydration, and visible results may vary.

Routine step:

Treat — apply after cleansing and toner and before moisturizer.

How to use:

After cleansing, apply an appropriate amount evenly over the face.

Gently pat until absorbed.

For areas needing additional care, apply another thin layer as needed.

Follow with moisturizer.

During the daytime, apply sunscreen as the final step. COSRX’s current directions allow the serum to be layered two or three times for more concentrated application.

Important:

For external use only.

Patch test before first use.

Avoid direct contact with the eyes and mouth. Rinse thoroughly with water if contact occurs.

Do not apply to wounded, broken, sunburned, or significantly irritated skin.

This formula contains 2% alpha-arbutin, niacinamide, tranexamic acid, acetyl glucosamine, ethanol, sodium metabisulfite, licorice root extract, ferulic acid, and glutathione. Customers with known sensitivities should review the complete ingredient list before use.

Introduce gradually if the skin is sensitive or if several other brightening or exfoliating products are already used in the same routine.

Apply sunscreen daily while using products intended for uneven-looking tone and visible discoloration.

Discontinue use if persistent redness, swelling, itching, burning, or significant irritation develops.

Keep out of reach of children.

Store away from direct sunlight and excessive heat.

Follow all directions and warnings printed on the product packaging.

Ingredients:

Water, Propanediol, Glycerin, Niacinamide, Tranexamic Acid, Acetyl Glucosamine, Alpha-Arbutin (2%), 1,2-Hexanediol, Dimethicone, Dimethyl Isosorbide, Diethoxyethyl Succinate, Butylene Glycol, Citric Acid, Alcohol, Sodium Polyacryloyldimethyl Taurate, Hydrogenated Lecithin, Xanthan Gum, Sodium Metabisulfite, Disodium EDTA, Ethylhexylglycerin, Dextrin, Theobroma Cacao (Cocoa) Extract, Sodium Citrate, Madecassoside, Sodium Methyl Stearoyl Taurate, Sodium Hyaluronate, Tocopherol, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate Crosspolymer, Hyaluronic Acid, Ferulic Acid, Glycyrrhiza Glabra (Licorice) Root Extract, Panthenol, Arginine, Methyl Trimethicone, Allantoin, Glutathione, Sodium Acetylated Hyaluronate. The supplied list matches COSRX’s current official formula.