AZELAIC ACID helps to exfoliate the skin and unclog pores from the build-up of dead cells and sebum, reducing the appearance of future acne.5R Advantages:Reduces skin irritation and sensitivity.Reduces acne at the source and helps unclog pores.Rebalances excess sebum.Reduces facial redness and clears up melasma and acne marks.Reduces hyperpigmentation and helps stop melanin production.How to Use:Apply only to acne areas and old age spots.Use morning or evening, once or twice a day, and apply to face and neck.Use alone or add to your favorite moisturizer or serum.