Beautiful skin takes work. When it comes to skin care, most people focus on their faces, often forgetting about their skin from the neck down. Yet some of the most obvious signs of aging often appear below the neck. Why exfoliate? Exfoliation is an essential step in skin care. removes dead skin revealing radiant, softer and smoother skin. It also helps to accelerate the skin’s natural renewal process. You shouldn't scrub too hard or too often when exfoliating. Many people make this mistake and it can leave your skin looking red and feeling irritated.