Kiehl's uses its rich pharmaceutical heritage to manufacture a range of essential beauty, body and hair care products. The Kiehl's serum collection offers anti-aging, fine-line, and dark-spot solutions, all produced with natural ingredients. Specially formulated concentrates, extracts and vitamins are carefully chosen and infused into products engineered to nourish and rejuvenate the skin. From hydrating serums to those that reduce signs of fatigue, Kiehl's serums are suited for a variety of skin types. Neiman Marcus offers a fine selection of Kiehl's serums that restore and protect the skin's natural glow, including the popular Clearly Corrective Dark Spot Solution, Midnight Recovery Concentrate and Powerful-Strength Line-Reducing Concentrate.