numbuzin No.3 Blue Bio-Retinol Pore Refining Serum

numbuzin No.3 Blue Bio-Retinol Pore Refining Serum is a fast-absorbing, gentle blue retinol thoughtfully designed for retinol beginners. Formulated with Blue Bio-Retinol + 10% Niacinamide, this powerful duo works in perfect synergy. Blue Bio-Retinol combines a gentle, bio-based retinol with encapsulated pure retinol to minimize irritation. Niacinamide enhances the effects of retinol by improving texture and promoting a healthier-looking complexion. We like this for sensitive and oily skin! To Use: Cleanse Apply toner or essence Apply serum at night only, starting twice a week and building up to 3x week Apply sunscreen, as this product can increase photosensitivity 30ml