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Pellagra is a disease caused by a lack of the vitamin niacin (vitamin B 3). [2] Symptoms include inflamed skin, diarrhea, dementia, and sores in the mouth. [1] Areas of the skin exposed to friction and radiation are typically affected first. [1]
Scale forms on the skin surface in various disease settings, and is the result of abnormal desquamation. In pathologic desquamation, such as that seen in X-linked ichthyosis, the stratum corneum becomes thicker (hyperkeratosis), imparting a "dry" or scaly appearance to the skin, and instead of detaching as single cells, corneocytes are shed in clusters, which forms visible scales. [2]
While nicotinic acid (niacin) may be used for this purpose, nicotinamide has the benefit of not causing skin flushing. [4] As a cream, it is used to treat acne, and has been observed in clinical studies to improve the appearance of aging skin by reducing hyperpigmentation and redness. [5] [6] It is a water-soluble vitamin. Side effects are minimal.
Here’s what you need to know about niacinamide’s benefits for your skin. What is niacinamide exactly? “Niacinamide, a form of vitamin B3 also known as nicotinamide, is a water-soluble ...
Plus, see some common causes of peeling skin to help solve the problem for good. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...
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Hartnup disease is a disorder of amino acid transport in the intestine and kidneys; otherwise, the intestine and kidneys function normally, and the effects of the disease occur mainly in the brain and skin. Symptoms may begin in infancy or early childhood, but sometimes they begin as late as early adulthood.
Every skincare brand has a niacinamide serum, so we asked our expert dermatologists to break down the best ones. Here, we review our top 10 favorites. The 10 Best Niacinamide Serums For Radiant Skin