Tighten pores effectively with the Niacin Open Pores Combo. The combination of Niacinamide & Yuzu Fruit Extract in 5% Niacinamide Toner helps gently exfoliate the skin & increases collagen production & improves skin elasticity. It also tightens lax pores & eliminates post-acne bumps. Designed by dermatologists, the 10% Niacinamide Serum retains essential moisture & keeps acne-causing bacteria at bay. It also increases ceramide production within the skin, aiding cell regeneration & lightening acne scars. Make way for clearer, healthier, and smoother skin!