The InstaNatural Niacinamide Serum is highly rated on Amazon for its ability to improve skin texture and minimize the appearance of pores. This serum contains a high concentration of niacinamide, also known as Vitamin B3, which helps to regulate oil production, reduce redness, and strengthen the skin's barrier. It also includes other beneficial ingredients like hyaluronic acid, avocado oil, and rosemary extract. Users love how this serum absorbs quickly into the skin and leaves it feeling smooth and hydrated.