Niacinamide is possibly safe when taken in doses up to 900 mg daily. It might cause side effects such as stomach upset, gas, dizziness, headache, and rash.

Can you use too much niacinamide on skin?

You may experience some redness and irritation when you start using niacinamide products. Some of this may be normal and lessen over time, but lasting irritation may be a sign you're using too much or a product with too high of a concentration of niacinamide for your skin type.

Can you overdo niacinamide?

When used in high concentrations, niacinamide can cause skin irritation and redness. … Another possibility is that you're overdoing it on niacinamide, according to one expert. "When used in high concentrations, it can cause skin irritation and redness," Talakoub says.

Can too much niacinamide break you out?

Though some people do report experiencing irritation and breakouts after using the ingredient, niacinamide is unlikely to cause purging. That's because it doesn't affect the skin in a way that usually triggers purging.

What happens if you use niacinamide everyday?

When used topically every day, niacinamide may have a positive impact on your overall skin health. The ingredient can help reduce inflammation and hyperpigmentation, smooth your overall skin texture, and brighten your skin.

Is 10% niacinamide too much for sensitive skin?

With the high-low combination (high quality, low price) and the hard-to-ignore hype surrounding this product, take this as a sign from the universe to finally get your hands on them—though, we caution that with a high concentration of 10% vitamin B3, it may be slightly harsh for patients with sensitive skin.

Is 20 percent niacinamide too much?

If a person's concerns are mostly around enlarged pores and uneven skin tone, the 10% strength is a great option. For those with more advanced concerns such as sagging pores, orange peel-like texture or oil-related bumps, the 20% strength is preferred.

Is 12 percent niacinamide too much?

When selecting niacinamide products, Dr Ho advises that “a concentration of 4-5% niacinamide is ideal—enough to improve acne and fine wrinkles”. Higher concentrations, like The Ordinary 10% Niacinamide + 1% Zinc, have not yet been proven to exhibit a higher rate of efficacy.