The cream you use on your face at night is likely rich enough to soften and smooth the skin on your neck. There's no need to invest in a separate product. However, there is one exception: If you have oily skin and use a very lightweight moisturizer (or none at all), you should get a separate cream for your neck (which has fewer oil glands and needs more hydration than your face). You don't need to buy a pricey cream marketed as a neck product, though, says New York City dermatologist Jessica Krant, MD, who recommends La Roche-Posay Toleriane Riche ($28, drugstores), which has a high concentration of skin-softening shea butter.
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