Dry, flaky skin, also referred to as xerosis, not only looks
unattractive, it can be uncomfortably tight and itchy. In severe
cases, the skin is so dry that fissures and cracks develop which
can become inflamed or infected. The symptoms worsen in the
winter months when skin is exposed to dry air and heat, but some
people deal with xerosis all year round. Dry skin is caused by a
lack of moisture in the outer layer of the skin. The outermost
layer of the skin contains lipids. These lipids consist of
ceramides, fatty acids and cholesterol that help to hold in
water and prevent dryness. People with dry skin often have lower
levels of ceramides. This affects the skin’s ability to retain
moisture. When the outer layer of skin is too dry, skin cells
aren’t shed properly and the cells build up on the surface of
the skin causing it to look rough and flaky. Some people are
prone towards dry skin genetically, but lifestyle habits play a
role too. Ceramides that keep skin moist and supple can be
stripped away by using ha