- Fast-acting treatment featuring Hydroquinone fades dark spots, age spots, and freckles. Our skin-lightening serum also evens out skin tone to reveal a clearer, brighter complexion while helping prevent future pigment formation. Our Hydroquinone serum is suggested for people looking to: Fade age spots, Lighten dark spots, Even skin tone, and Obtain smoother skin. 85% saw spots lighten in 1 week based on a Murad sponsored study. Patented formula combines the most powerful skin lightening ingredient at the highest level available without a prescription with a targeted skin-brightening blend to correct unwanted discoloration and protect against future damage. Massage evenly over clean face, neck and chest. Follow with a Murad Step 3 moisturizer.