Skincare benefits of niacinamide

A 3D graphic of a niacin molecular structure or nicotinic acid seen from a microscope view.

SergeiShimanovich // Shutterstock

Skincare benefits of niacinamide

Niacinamide, also known as vitamin B3, is a versatile antioxidant that’s taken the skincare world by storm. Celebrated for its ability to tackle lots of different skin concerns, such as hyperpigmentation or a dull complexion, niacinamide is an ingredient for anyone looking to enhance their skincare routine. Here, Dove looks at the benefits of niacinamide.

What does niacinamide do for skin?

Niacinamide is a multitasking marvel that offers a range of benefits for your skin. It helps improve the appearance of hyperpigmentation, brightens your complexion, and keeps your skin looking clear and radiant. With its ability to strengthen your skin barrier, niacinamide is perfect for maintaining healthy, glowing skin.

Niacinamide underarm benefits

Evens out skin tone and reduces the appearance of dark spots
Niacinamide is known for its ability to regulate pigment production in the skin. Niacinamide works by inhibiting melanin transfer, helping to lighten these spots and restore your natural complexion. Frequent shaving, deodorant use, and sweat buildup can lead to darkened patches under the arms. Regular use can help reduce hyperpigmentation and fade dark spots, leading to a more even underarm tone over time — particularly beneficial if you struggle with discoloration from shaving or friction.

Soothes irritation and redness 
Underarm skin can be easily irritated, especially after hair removal or from harsh deodorants. Niacinamide has anti-inflammatory properties that help calm the skin, reducing redness, itchiness, and post-shave discomfort.

Strengthens the skin barrier 
Using niacinamide regularly can help strengthen the skin’s natural moisture barrier. This is essential for underarm skin, which often undergoes friction and contact with fabric or razors. A healthy barrier helps lock in hydration and protect against external irritants.

Minimizes enlarged pores and sweat-related buildup 
Niacinamide can help refine the appearance of pores and control oil production. While it won’t stop sweating, it may help reduce clogged pores and keep the area looking smoother and cleaner, especially if you’re prone to buildup or ingrown hairs.

Gentle enough for daily use 
Unlike some brightening ingredients that can be harsh or drying, niacinamide is typically well-tolerated — even on sensitive skin like the underarms, but be sure to consult a doctor if you have concerns. This makes it ideal for daily use without risk of over-exfoliation or irritation.

Niacinamide benefits for skin

Regulates oil production
Niacinamide helps balance sebum (oil) production, making it especially helpful for those with oily or combination skin. By preventing overproduction of oil, it can help reduce shine and minimize the likelihood of clogged pores and breakouts.

Offers anti-inflammatory benefits and helps reduce redness and blotchiness
If your skin is prone to irritation, rosacea, or sensitivity, niacinamide can help calm visible redness and inflammation. Its soothing properties support a more even, balanced complexion over time. Its anti-inflammatory properties make niacinamide ideal for calming inflamed, irritated, or acne-prone skin. It can also help speed up the skin’s healing process after breakouts or sensitivity flare-ups.

Improves skin elasticity and firmness 
Regular use of niacinamide can improve the skin’s elasticity by boosting collagen production and supporting the skin’s structural integrity. This helps reduce the appearance of fine lines and gives your skin a firmer, plumper look.

Strengthens the skin barrier 
A healthy skin barrier is essential for maintaining hydration and protecting against environmental stressors. Niacinamide helps reinforce this barrier by increasing the production of ceramides — natural lipids that keep moisture in and irritants out.

Minimizes the appearance of pores 
By regulating oil production and improving skin texture, niacinamide can help make enlarged pores look smaller and less noticeable, giving your skin a smoother, more refined appearance.

Brightens dull skin and evens out tone 
Niacinamide inhibits melanin transfer in the skin, which helps fade dark spots, acne scars, and sun damage. This leads to a brighter, more radiant complexion with consistent use.

Is niacinamide good for sensitive skin?

Niacinamide is gentle enough for sensitive skin, offering soothing benefits without causing irritation. Its ability to strengthen the skin barrier makes it a perfect choice for those with sensitive skin, ensuring your skin stays calm and comfortable.

This story was produced by Dove and reviewed and distributed by Stacker.