Several skin types and properties may be present simultaneously in an individual in different localisations, e.g. oily skin with irritated skin patches. normal skin Normal skin displays a smooth texture and a rosy, clear surface, with fine pores. There are no visible blemishes, greasy patches or flaky areas.
As their names suggest, oily skin often has a slick or sticky texture, while dry skin can be flaky and rough. People with combination skin usually have oily skin on their forehead, nose and chin -- also known as the T-zone -- and dry or normal skin on their cheeks.
Difference between Sweat and Sebum Human skin contains two kinds of glands: sweat glands and sebaceous glands that secrete fluids on the surface. Sweat glands remove water containing dissolved salts like Sodium chloride, lactic acid, traces of urea, amino acids and glucose from the blood stream.