The INKEY List Super Solutions Niacinamide Serum is meticulously formulated to tackle excess oil and shine, making it a quintessential product for those with oily skin. Its 20% niacinamide concentration helps to regulate sebum production, ensuring a matte finish while preserving the skin's natural barrier. With a generous 30 ml volume, this regular-sized bottle promises lasting use and visible results over time. The serum's precise formulation is designed for targeted application, allowing for an elegant glide onto the skin's surface, effortlessly absorbing without leaving a residue.