Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

Ferulic acid is one of those ingredients you often see listed on skincare products. But do you know what it is and what it does? It’s a powerful anti-aging tool that may protect against skin cancer as ...

If you’re not yet familiar with succinic acid—the skincare world's latest ingredient obsession—you’re far from alone. In fact, even some industry experts didn’t know about the powerful ingredient or ...

Retinol, niacinamide, vitamin C and hyaluronic acid: In recent years, these commonly-found ingredients have been name-dropped over and over again in the skincare community. Hyaluronic acid, in ...

We may earn commission from links on this page, but we only recommend products we love. Promise. I have melasma on my cheeks and a smattering of dark spots of my chin and jawline from old breakouts, ...

Azelaic acid and vitamin C both reduce dark patches and blemishes and help brighten skin. Azelaic acid also reduces skin inflammation and is approved to treat a type of rosacea. It can also help ...

Citric acid is a weak organic acid that occurs naturally in produce, such as citrus fruits. It is used in food, cosmetics, and cleaning products. Share on Pinterest vkbhat/Getty Images Citric acid is ...