COSRX 24-HR Synergy Duo

24HR Protect your skin from Seasonal Change 

Here're our best Synergy Duo! AM/PM all day for enjoying our high effective #DermSkinCare. 
We heard your voice with skin problems, you and us will be GOOD Synergy for build the skin-barrier

[/Acne Free/]
• The Niacinamide 15 Serum 20ml / 0.67 fl. oz  
Highly concentrated serum that combines the maximum concentration of niacinamide with optimal ratios of synergistic ingredients for total acne control.

• The Hyaluronic Acid 3 Serum 20ml / 0.67 fl. oz
Highly concentrated 3% hyaluronic acid serum that hydrates, plumps, soothes and supports the skin's moisture barrier.

[/Brightening/] 
• The Vitamin C 23 Serum 20ml / 0.67 fl. oz  
A highly concentrated serum that fades acne scars and brightens the complexion to revitalize dull and dry skin.

• The Hyaluronic Acid 3 Serum 20ml / 0.67 fl. oz
Highly concentrated 3% hyaluronic acid serum that hydrates, plumps, soothes and supports the skin's moisture barrier.

[/Increase Elasticity/] 
• The Retinol 0.5 Oil 20ml / 0.67 fl. oz  
For intermediate-level retinol users looking for a highly concentrated, youth booster.

• The Hyaluronic Acid 3 Serum 20ml / 0.67 fl. oz
Highly concentrated 3% hyaluronic acid serum that hydrates, plumps, soothes and supports the skin's moisture barrier

[/Skin Firming/]
The Retinol 0.1 Cream  20ml / 0.67 fl. oz  
An irritation-reduced solution created with the optimal ratio of key ingredients for first-time retinol users just starting to notice the appearance of fine lines caused by dry skin.

• The Hyaluronic Acid 3 Serum 20ml / 0.67 fl. oz
Highly concentrated 3% hyaluronic acid serum that hydrates, plumps, soothes and supports the skin's moisture barrier