Regain skin balance with KFS Cellular Protein Complex Recovery Serum, the latest in our luxurious lineup. Specifically formulated for ultra-sensitive skin due to environmental stressors, hormonal stressors, post-procedures, or skin imbalance. Serucell Recovery Serum with our proprietary KFS® Cellular Protein Complex Ingredient is infused with more than 1,500 key skin nutrients for optimal skin rejuvenation revealing calmer, smoother, more radiant-looking skin — from the inside out.