Azelaic acid

This has a similar clinical effect to BPO, but causes less irritation and does not have the same tendency to bleach. It has reported antibacterial and comodolytic properties (Strauss et al., 2007). It is available as a 15% gel and 20% cream

How to use azelaic acid?
It should be applied to clean skin twice daily, preferably in the morning and evening. As with BPO, if the skin is particularly sensitive, a gradual introduction of the product might be helpful.