Nodules

Nodules are small, solid bumps that can develop on the skin due to various underlying conditions, such as scar tissue formation, fatty deposits, or infections. Although sometimes referred to as tumors, nodules are typically smaller and not always indicative of cancer....

Noncertified colors

Noncertified colors are colors that are not regulated by the FDA. They can be made from a variety of sources, including plants, animals, and minerals. Noncertified colors are often used in cosmetics and other beauty products because they are considered to be more...

Occlusive

Occlusive products are a type of skincare product that is designed to create a barrier on the skin’s surface, preventing the loss of moisture from the skin, and helping to maintain the skin’s natural barrier function. These products are typically thick and...

Omega-3 fatty acids

Omega-3 fatty acids are a type of “good” polyunsaturated fat that can have a range of health benefits, including reducing the risk of cardiovascular disease and promoting healthy skin. One of the key types of omega-3 fatty acids is alpha-linolenic acid...

Oxidation

Oxidation is a chemical reaction that occurs when a substance combines with oxygen to produce an oxide. This can happen in a variety of contexts, from the rusting of metal to the browning of an apple when it is exposed to air. In some cases, oxidation can be...