The majority of cases of dry skin result from lifestyle and environmental factors. Excessive bathing, living in hot or cold climates with low humidity, and dehydration contribute to the development of dry skin. While most dryness appears over large areas of skin, some conditions may appear as individual spots. Fortunately, most dry skin can be treated at home. In some cases, a consultation with a dermatologist may be necessary. Symptoms Dry skin appears when normally plump, moist cells lose moisture and shrivel up. Lack of moisture can lead to widespread fine lines and wrinkles, roughness, flaking and, in some cases, itching, cracking or bleeding. Dry skin may feel tight or may appear as a rough, red rash, similar to sunburn. In some cases, dry skin appears in round patches, called nummular eczema. Causes Lack of moisture, either internally or externally, leads to dry skin. Chronic dehydration causes premature wrinkling and dry, flaking skin. Harsh, dry ...