The COSRX Refresh AHA BHA Vitamin C Booster Serum is a lightweight daily serum designed to brighten dull skin, refine texture, and keep pores clear. Combining gentle exfoliating acids with antioxidant-rich fruit extracts, this revitalizing formula helps improve skin clarity while maintaining a smooth, hydrated finish.

Powered by the Golden-RX Complex™, made with kiwi and dragon fruit extracts, the serum helps energize tired skin and restore a healthy, radiant glow.

Key Benefits

Brightens uneven skin tone
Niacinamide and alpha-arbutin help improve dullness and reduce the appearance of discoloration.

Gently refines skin texture
AHA (glycolic acid) and BHA (betaine salicylate) help remove dead skin cells and keep pores clear.

Provides antioxidant care
Sea buckthorn water and vitamin C help protect the skin from environmental stress.

Balances oil and hydration
The lightweight formula helps control excess sebum while maintaining skin moisture.

Who It’s For

Ideal for anyone experiencing dull skin, rough texture, clogged pores, or uneven tone. Suitable for all skin types, especially combination and oily skin.

How To Use

After cleansing and toning, apply a small amount to the face and gently pat until absorbed. Follow with moisturizer and broad-spectrum sunscreen during the day.

Pro Tip

Use this serum in the morning routine before sunscreen to help brighten the skin and improve overall radiance throughout the day.

Ingredients

Actinidia Chinensis (Kiwi) Fruit Extract, Hylocereus Undatus Fruit Extract, Hippophae Rhamnoides Water, Butylene Glycol, Niacinamide, 1,2-Hexanediol, Glycolic Acid, Betaine, Sodium Hydroxide, Water, Panthenol, Allantoin, Hydroxyethylcellulose, Glycerin, Polyglyceryl-10 Myristate, Polyglyceryl-10 Laurate, Sodium Hyaluronate, Adenosine, Ascorbyl Glucoside, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Betaine Salicylate, Alpha-Arbutin, Menthyl Lactate, Mentha Haplocalix Extract