It seems like every other week, there's a new skincare ingredient everyone's obsessing over. And now, azelaic acid is that girl for fall and winter. With so many new products on the market...
Source: [E! Online](https://www.eonline.com/news/1437667/azelaic-acid-benefits-how-it-helps-with-acne-redness-rosacea?cmpid=rss-syndicate-genericrss-us-top_stories)