Niacinamide, also called nicotinamide, is a form of vitamin B-3, an essential nutrient. A B-3 deficiency can lead to disorders of the skin, kidneys, and brain. Taking niacinamide can help prevent B-3 deficiency.
Although more research is needed, topical niacinamide may help treat certain skin conditions, including acne and eczema.
My mom had a really bad skin issue on her hands. They were very dry and were cracking up in places and was bleeding from the wounds. What helped was a hand cream that contained niacinamide . This ingredient can be found from La Roche Posay. They have an entire skincare line with niacinamide : Lipikar
Overall, niacinamide can help build proteins in the skin and lock in moisture to prevent environmental damage.
Individual benefits include:
Immunity. Niacinamide helps build keratinTrusted Source, a type of protein that keeps your skin firm and healthy.
Lipid barrier. Niacinamide can help your skin grow a ceramide (lipid) barrierTrusted Source, which can, in turn, helps retain moisture. This is beneficial for all skin types, especially if you have eczema or mature skin.
Regulates oil. The benefits of moisture retention aren’t just for those with dry skin types. Niacinimide can also help regulate the amount of oil the sebaceous glands produce and prevent your glands from going into overdrive.
Protects against sun damage. Niacinamide can concurrently rebuild healthy skin cells while also protecting them from damage caused by ultraviolet rays.
Treats hyperpigmentation. Some research has found 5 percent niacinamide concentrations can be helpful in lightening dark spots. Benefits were seen after four weeks, but not beyond two months. This benefit may be due to increased collagen production.
Protects against oxidative stress. Niacinamide helps build cells in the skin while also protecting them from environmental stresses, such as sunlight, pollution, and toxins.