Niacinamide, also known as Vitamin B3, is a popular ingredient in many skincare products due to its numerous benefits. It can help reduce inflammation, minimize pores, improve skin texture, and lighten hyperpigmentation. However, like any active ingredient, it’s essential to use niacinamide correctly to avoid potential side effects. While niacinamide is generally well-tolerated by most skin types, using it excessively or in high concentrations can lead to some negative effects. These may include: Skin Irritation: Overuse of niacinamide, particularly in higher concentrations, can lead to redness, dryness, or a burning sensation. This is especially true if you have sensitive skin or if niacinamide is combined with other strong actives (like acids or retinol). Overhydration: Niacinamide is known for its ability to improve the skin’s barrier function. While this is a benefit, excessive use may lead to overhydration, causing the skin to feel greasy or congested, potentially leading to break...
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