Citric acid is a weak organic acid that occurs naturally in citrus fruits like lemons, limes, and oranges. It's known for its sour taste and is commonly used for:
1. Food & Beverages – As a preservative, flavor enhancer, or acidulant (E330 on food labels).
2. Cleaning Products – It helps remove limescale, rust, and stains due to its acidity.
3. Cosmetics & Skincare – Used to adjust pH and as an exfoliant.
4. Industrial Uses – In pharmaceuticals, detergents, and even as a chelating agent.