Citric acid is a weak acid that is found naturally in all citrus fruits. Unlike strong acids, weak acids ionize only partially when in solution. If you’ve ever sunk your teeth into a lemon or any ...

If you’ve been blessed with a stomach free of digestive issues, chances are you haven’t given much thought to coffee’s ...

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 ...

Palmitic acid is a saturated long-chain fatty acid (LCFA), a term for fatty acids containing 13 to 21 carbons. Palmitic acid contains 16 carbons. This acid is found in most fats and oils, such as ...

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 ...

Aspartic acid, also called aminosuccinic acid or aspartate, is a non-essential amino acid that is made naturally in the human body through dietary intake. Image ...

You know about the brightening wonders of vitamin C; the wrinkle smoothing prowess of vitamin A and hydrating powers of vitamin E. But chances are you might not yet have stumbled upon vitamin F, or ...

What is lactic acid? If you’ve ever tried to sprint as fast as you can at the end of a race or bang out a set of heavy squats in the gym, you’ve probably experienced an uncomfortable burning sensation ...

Every item on this page was chosen by a Town & Country editor. We may earn commission on some of the items you choose to buy. The term “acid mantle” was coined in 1928 by German physicians researching ...

No ingredient has a hold on the skincare market quite like hyaluronic acid. These days, you’d be hard-pressed to find a product that doesn’t have it in its formulation. But what is hyaluronic acid ...

Citric acid is a naturally occurring compound found in many fruits and vegetables. It’s available in powdered form, and if you’re a fan of all foods puckery and sour, you absolutely should be cooking ...