A Norfolk Southern train carrying hydrochloric acid derailed in the Dooms area off of Eastside Highway.

Carbon fiber–reinforced polymers, used for their strength and light weight, can be recycled using acetic acid and heat.

A massive nitric acid leak spewed orange plumes of smoke into the sky, forcing a no-fly zone and mass evacuations around an Ohio chemical plant, according to reports.

More than two dozen people were hospitalized after an acid spill at a chicken facility in central Minnesota Friday morning, police said.

Eating a high-fat diet containing a large amount of oleic acid—a type of fatty acid commonly found in olive oil—could drive obesity more than other types of dietary fats, according to a study ...

The dermatologists we spoke with give hypochlorous acid the green light for face and wound care. We tested seven popular brands, but only three won us over.

A guide to everything you need to know about hydrating skin care ingredient hyaluronic acid, including how to use it. Plus, shop product recommendations.

Varying in concentration and therefor potency, dermatologists swear by the best glycolic acid products for softer, more even toned skin.

Hypochlorous acid is safe enough to spray in your eyes yet more effective than bleach. Why isn’t it everywhere?

We’re sharing the best hypochlorous-acid sprays according to testers and derms, including our top overall pick, the Tower 28 SOS Daily Rescue Facial Spray.

The best tranexamic acid serums work by blocking tyrosinase to regulate pigment production and fade dark spots. Shop editor- and dermatologist-approved picks.

Find out how citric acid is used in everyday products, including food, medicine, and cleaning products. Understand its health benefits and its possible side effects.