(A) This is the structure of stearic acid, an 18-carbon saturated fatty acid. The normal numbering system, starting with the carboxylic acid, is shown in blue. The carbons and oxygens of the ...

Several theories have been developed to explain the behaviour of acids and bases. The most notable theories include the Arrhenius concept, the Brønsted-Lowry theory, and the Lewis concept. In the ...

A person wearing black gloves paints a translucent paste on the face of a person who lies back in a chair. Chemical peels are a popular skin-care treatment with a growing market. Credit: Alamy ...

When it comes to building a balanced and healthy skincare routine, acids are pretty much non-negotiable. In fact, incorporating active acids into your regimen—many of which fall into three categories: ...

Skin cells typically regenerate every month or so. But things like sun exposure and aging can slow this process down. That’s where exfoliation comes in handy. A quick way of removing dead skin, it can ...