Obagi Nu-Derm Exfoderm is an exfoliating lotion that contains phytic acid in a soothing base to smooth and tone rough or damaged skin. It is formulated to enhance the activity of hydroquinone and tretinoin. Obagi Nu-Derm Exfoderm is recommended for dry, thin, or sensitive skin. Use Obagi Nu-Derm Exfoderm Forte for normal to oily skin.