Revision Vitamin K Serum is a lightweight, oil-free formula designed to visibly reduce redness and calm skin that is prone to sensitivity, irritation or flushing. Powered by phytonadione (vitamin K), Arnica montana extract and a soothing antioxidant blend, this conditioning serum helps comfort stressed skin, support recovery and reinforce skin resilience against environmental stressors. Skin feels calmer, softer and more balanced with each use.