Unclean skin favors the development of pathogenic organisms - the dead cells that continually
slough off of the epidermis mix with the secretions
of the sweat and sebaceous glands and the dust found on the skin to form a filthy layer on its surface.
If not washed away, the slurry of sweat and sebaceous secretions mixed with dirt and dead skin
is decomposed by bacterial flora, producing a foul smell. Functions of the skin are disturbed
when it is excessively dirty; it becomes more easily damaged, the release of antibacterial
compounds decreases, and dirty skin is more prone to develop infections. Cosmetics should be
used carefully because these may cause allergic reactions. Each season requires suitable
clothing in order to facilitate the evaporation of the sweat. Sunlight, water and air play an
important role in keeping the skin healthy.