Niacinamide topical use is usually regarded as safe. An allergic reaction may be more likely to occur in people who already have allergies. This is due to the fact that niacinamide may trigger histamine release in your body.
Niacinamide topical use is usually regarded as safe. An allergic reaction may be more likely to occur in people who already have allergies. This is due to the fact that niacinamide may trigger histamine release in your body.