Obagi toner is a gentle facial toner that paves the way for beautiful, youthful skin. This non-drying, alcohol-free formula penetrates deeply to balance pH level, clear the pores and prepare the skin to receive anti-aging treatments. Its key ingredient is witch hazel, a substance known for its astringent properties. Obagi Nu Derm Toner also contains aloe to calm and soothe irritation and caldendula extract to help heal sun damage. The refreshing liquid will never over-dry skin, and it is suitable for even sensitive skin types.