A topical non-prescription formula with a non-hydroquinone skin brightener containing arbutin and antioxidants to help reduce the appearance of age and sun spots. Benefits: Suitable for all skin types Reduces the appearance of hyperpigmentation Helps to protect skin from environmental aggressors Hydroquinone-free Obagi Nu-Derm Fx is a non-Rx version of the prescription strength 4% Hydroquinone products and systems and is Hydroquinone-free.