Do Niacinamide Cause Acne?

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.

How long before niacinamide clears acne?

Using 5% or 10% Niacinamide-containing products show better effects with no skin problems like irritation. Most studies show that even though you may find improvement immediately after starting Niacinamide, it usually takes anywhere between 8-12 weeks for a visible change.

What are the side effects of niacinamide?

Unlike niacin, niacinamide does not cause flushing. However, niacinamide might cause minor side effects such as stomach upset, gas, dizziness, rash, itching, and other problems. To reduce the risk of these side effects, adults should avoid taking niacinamide in doses greater than 35 mg per day.