Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum 30ml

1. Start with 1 to 2 drops per use to begin with gradually increasing to up to 5 drops.

2. Begin by using 1 to 2 times a week. Over time, gradually increase the usage to twice a day.

3. Apply an adequate amount between a toner and moisturizer.