The best replacement for azelaic acid is benzoyl peroxide.

The best alternatives to azelaic acid are rated as following:
★★★★★  benzoyl peroxide
★★★★  hydroquinone
★★  kojic acid
★★  adapalene
★★  spironolactone
★  glycolic acid
★  metrogel
  metronizadole

Your alternative for azelaic acid is not listed? Suggest!
Speaking about azelaic acid, one probably shouldn't forget about minoxidil.

Other search terms related to azelaic acid and their ratings are:
★★★★★ minoxidil
You have in mind a companion for azelaic acid and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of azelaic acid in all years. Click on graph for more.
azelaic acid
benzoyl peroxide
hydroquinone