It is known that one of the main skin functions is to hold in moisture: it does so through epidermis and the stratum corneum, its outermost layer, which is in direct contact with the environment. The epidermis produces lipids, oily substances that limit the passage of water into or out of the skin. A skin barrier deficient in these lipids - a condition found in dry skin or eczema - allows moisture to escape and evaporate. With the loss of water, scales, cracks and even small cuts develop on the stratum corneum - all of which can trigger itchiness and introduce bacteria (sometimes even infection) into the skin.

If your skintype is dry you should know that:

Dryness gets worse with changes in the weather; a decrease in humidity can speed water loss from skin.

The most common areas for dry skin are the face and extremities (arms, legs, hands and feet).

Dry skin problem gets worse with age due to two factors: the skin produces