Excess Oil Solution with 20% Niacinamide is a special treatment developed for people who suffer from excess oil throughout the face and not just in the T-zone, leading to oil-related problems such as enlarged, visible pores and textured skin. 20% Niacinamide - this is our highest content. With this percentage, it helps to balance excess oil and improve skin texture to make pores appear smaller. 0.5% zinc PCA, which combats bumps and texture caused by sebum deposits, and 3% squalane which helps protect the skin barrier.