Why is Vitamin C so important for your skin? 🧡 Fortifies the skin’s defenses against free radicals and environmental stressors 🧡 Acts as a second line of defense for visible skin damage caused by UV rays 🧡 Helps defend the skin barrier . . . #Obagi #ObagiMedical #ObagiProfessionalCSerum #SkinCare #VitaminC