Safe for use on all skin types, Obagi Nu-Derm Clear #3 provides powerful lightening results with its 4% hydroquinone formula. This potent ingredient inhibits your skin’s production of melanin, the pigment responsible for dark spots and discoloration in the complexion. The prescription-strength formula sends active ingredients deep within the skin to improve your complexion from the inside out. This product also helps to renew aging, damaged skin and restores a more radiant, youthful appearance. You’ll see visible improvements in dark spots and other signs of aging when you use this skin brightener. Prevent an uneven skin tone with Nu-Derm Clear.