Elta MD UV Shield 46 helps reduce the appearance of blemishes, discoloration, and photo-damaged skin while protecting from broad spectrum of UVA/UVB rays. UV Shield is lightweight and contributes to maintaining clean, clear, smooth skin. This product is great for all skin types, including acne-prone skin and also oil-free, paraben-free, non-comedogenic, sensitivity-free, and fragrance-free.UV Clear is formulated with 5% pure form Niacinamide, which is a part of the family of Vitamin B3 or niacine without the same toxic effects. The purer form used in this product has less or no nicotinic acid which can cause flushing or irritation and is also odorless.