There are many causes of dry skin on the face, including genetic factors, environmental factors, chemical damage, bad lifestyle habits, mental factors and certain diseases.
Genetic factors are mainly reflected in the type of skin, for example, dry skin is more likely to have problems with dry facial skin, and oily and combination skin, usually under certain circumstances.
Disease factors, such as atopic dermatitis, ichthyosis and psoriasis can cause dry, flaky skin.