Cos De BAHA Azelaic Acid 10% Serum

Cos De BAHA Azelaic Acid 10 Serum (AZ) is Originally, Azelaic Acid was widely used as a treatment for acne. This became even more popular when it became known that it also helped resolve the pigmentation of the skin.

How To Use :

• Step 01 : After cleansing and toning, Apply 1~2 drops of serum at morning or night.
• Step 02 : High concentrations of azelaic acid may cause skin irritation.
• Step 03 : Please do a patch test on skin before use.