Glossary
Bev's glossary empowers you with ingredient information for products she profiles on her store. This list is in alphabetical order or you can use the search for a particular term.
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A-Z — Acid
Acid
Acid —refers to the pH level of a substance, ranging from 0 for the most acidic to 6.9 for the least acidic. Acids are used in cosmetic formulations for a variety of reasons: to neutralize substances that otherwise would be too alkaline for the skin; as active principles that perform a specific function based on their own particular properties (e.g., hyaluronic acid, essential fatty acids); and as exfoliating and peeling agents (e.g., alpha hydroxy acids). Only those acid ingredients with a very low pH will be irritating to the skin because the skin itself is acidic.