• Immunity. Niacinamide helps build keratinTrusted Source, a type of protein that keeps your skin firm and helthy.
  • 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.
  • Minimizes redness, and blotchiness. Niacinamide reduces inflammationTrusted Source, which may help ease redness from eczema, acne, and other inflammatory skin conditions.
  • Minimizes pore appearance. Keeping skin smooth and moisturizedTrusted Source may have a secondary benefit – a natural reduction in pore size over time.
  • Regulate oil. The benefits of moisture retention aren’t just for those with dry skin types. Niacinamide can also help regulate the amount of the oil the sebaceous glands produce and prevent your glands from going into overdrive.
  • Protects again 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 niacimide concentration 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.
    • Treats acne. Niacinamide may be helpful for severe acne, especially inflammatory forms like papules and pustules. Over time, you may see fewer lesions and improved skin texture.
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