Oily skin is shiny, thick and dull colored. Often a chronically oily skin has coarse pores and pimples and other embarrassing blemishes. It is prone to blackheads. In this type of skin, the oil producing sebaceous glands are overactive and produce more oil than is needed. The oil oozes and gives the skin a greasy shine. The pores are enlarged and the skin has a coarse look.
Heredity
- Diet
- Hormone levels
- Pregnancy
- Birth control pills
- Cosmetics you use
- Humidity and hot weather
Because of the hormonal shifts of adolescence, oily skin is common in teenagers, but it can occur at any age. In general, skin tends to become dryer with age. The flow of sebum or oil increases during adolescence and starts decreasing with age. During pregnancy and menopause, hormonal imbalances can also upset the oil balance and increase the activity of sebaceous glands.
Many people have skin that is oily only in certain areas and dry or normal in others, a condition known as combination skin.
Dry Skin
Dry skin is often temporary — you get it only in winter, for example — but it may be a lifelong condition. And although skin is often driest on your arms and lower legs, this varies from person to person. What's more, signs and symptoms of dry skin depend on your age, your health, where you live, time spent outdoors and the cause of the problem.
Dry skin is likely to cause one or more of the following:
- A feeling of skin tightness, especially after showering, bathing or swimming
- Skin that feels and looks rough
- Itching (pruritus)
- Slight to severe flaking, scaling or peeling
- Fine lines or cracks
- Gray, ashy skin in people with dark skin
- Redness
- Deep cracks that may bleed
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