COSRX The Hyaluronic Acid 3 Serum

Intensive Hydrating Serum for Dry & Dehydrated Skin

COSRX The Hyaluronic Acid 3 Serum is a concentrated hydrating serum formulated with 3% Hyaluronic Acid to provide long-lasting moisture while helping support a healthy-looking skin barrier. Its lightweight, fast-absorbing formula helps replenish dehydrated skin, leaving the complexion feeling soft, plump, and refreshed.

Enriched with Ceramide NP, Amino Acids, and N-Acetylglucosamine (NAG), this serum helps lock in moisture, improve skin comfort, and support smoother, healthier-looking skin. It layers easily under moisturizer and sunscreen, making it suitable for both morning and evening skincare routines.

Key Ingredients

• 3% Hyaluronic Acid Complex – helps attract and retain moisture for lasting hydration.
• Ceramide NP – helps support and strengthen the skin's natural moisture barrier.
• N-Acetylglucosamine (NAG) – helps improve skin hydration and smoothness.
• Amino Acid Complex – helps condition the skin and maintain moisture balance.
• Panthenol (Pro-Vitamin B5) – helps soothe and support the skin barrier.
• Allantoin – helps comfort and soften the skin. 

Benefits 

• Delivers intensive hydration
• Helps replenish moisture-depleted skin
• Supports a healthy-looking skin barrier
• Leaves skin feeling plump, soft, and smooth
• Helps improve the appearance of dehydration lines
• Lightweight, non-sticky formula
• Suitable for daily use on all skin types, especially dry and dehydrated skin 

Texture & Finish

• Lightweight gel-serum texture
• Fast-absorbing
• Non-greasy, non-sticky finish
• Leaves skin feeling fresh, hydrated, and comfortable
• Layers well with other skincare products 

Size: 20 mL