Obagi Medical Nu-Derm Clear Skin Bleaching & Correction CreamObagi Medical Nu Derm Clear Skin Bleaching & Correction Cream Effective prescription 4% hydroquinone that helps correct hyperpigmentation, such as dark spots, sun spots, age spots, melasma, and other types of discoloration, for a healthier looking, more even skin tone. Prescription required. Click to book your Virtual or In Office Skincare Consultation with Mariposa Aesthetics & Laser Center. CONTRAINDICATIONS: People with prior history of sensitivity