Getting rid of the “forever chemical” Trifluoroacetic acid, or TFA, found in everything from drinking water to human blood, may be an impossible task.

If you're curious about acid rain, you should know that normal rain falls at 5.6 on the pH scale, while acid rain usually falls between 4.2 and 4.4.

Favorites: boric acid and sulfur powders, salves of salicylic acid and benzoic acid mixed with vaseline; an ether-collodion mixture.

Acne-fighting, rosacea-calming, hyperpigmentation-fading azelaic acid has many benefits. Here are the best skin-care products featuring the potent ingredient.

We asked dermatologists about the best glycolic-acid creams worth adding to your routine, from top brands like Neutrogena, Caudalie, Drunk Elephant, and more.

Uric acid is a waste product that’s created when the body breaks down purines—substances found in certain foods and drinks like red meat, organ meats, alcohol, and even some legumes.

Philadelphia police are searching for the suspects who attacked a woman with an acid-like chemical.

It’s an extract of opium, along with some other traditional ingredients (anise oil, benzoic acid, camphor and glycerin), in a base of alcohol and water.

Analyzing the acid value, hydroxyl value, and isocyanate content is essential for evaluating the quality of raw materials used in plastic production. The acid number of polyol raw material is commonly ...

The lawsuit claims there were releases of hazardous substances into the Bay for decades from the sawmill and into the waters of Port Gamble Bay until at least 2015: “Port Gamble Bay is ...