Why Is Niacinamide Making My Skin Worse? (Breakouts, Irritation, and What to Do Instead) Quick Answer (Featured Snippet) If niacinamide is making your skin worse, it’s usually due to overuse, high concentration, or an already compromised skin barrier—not the ingredient itself. Breakouts and irritation often come from imbalance, not incompatibility. The solution is to simplify … Continue reading Why Is Niacinamide Making My Skin Worse? (Breakouts, Irritation, and What to Do Instead)