Niacinamide is a versatile ingredient known for its ability to improve the skin’s barrier function, reduce redness, and minimize the appearance of pores. It also helps to regulate oil production and improve overall skin tone. Niacinamide is often included in treatments for acne, rosacea, and hyperpigmentation, offering a gentle yet effective solution for various skin concerns. This ingredient is suitable for all skin types, particularly sensitive or oily skin, and is commonly found in serums and moisturizers.