In men, hair often begins to recede at the hairline on the forehead. Women typically have a broadening of the part in their hair. An increasingly common hair loss pattern in older women is a receding hairline (frontal fibrosing alopecia).
While alopecia areata often causes hair loss on the scalp, you can have hair loss on any part of your body. Some people develop hair loss on another area of the body, such as the eyelashes, eyebrows, or beard area (men only).
The typical pattern of male baldness begins at the hairline. The hairline gradually moves backward (recedes) and forms an "M" shape. A circular area on the back of the head (vertex) often thins and expands in size over time.
Bald spots of the scalp, brow, or beard are commonly caused by a medical condition called alopecia areata. It is also commonly called spot baldness, and it is believed to be an autoimmune disorder that causes the body's immune system to mistake hair follicles for foreign invaders, and then, attack them as such.
In most people, new hair eventually grows back in the affected areas, although this process can take months. Approximately 50 percent of people with mild alopecia areata recover within a year; however, most people will experience more than one episode during their lifetime.
Yes, stress and hair loss can be related. Three types of hair loss can be associated with high stress levels: Telogen effluvium. In telogen effluvium (TEL-o-jun uh-FLOO-vee-um), significant stress pushes large numbers of hair follicles into a resting phase.
After hair stops shedding, the hair will slowly grow back. This can take 6 to 8 months for all the hair to grow back. The whole cycle takes about 12 months. This type of hair loss is called telogen effluvium.
In many cases, bald patches regrow by themselves without treatment. In particular, if there are just one or two small bald patches then many doctors would advise that you simply leave it alone at first. If the hair loss is not too bad then there is a good chance that your hair will regrow after several months.
New patches may spread by joining existing bald patches. These larger bald areas can appear while hair is regrowing in older hairless patches. Loss of hair can be permanent in some cases. Hair follicles may deteriorate, but oil producing glands in the skin (sebaceous glands) usually change very little.
Make an appointment to see your doctor if: You suddenly develop a bald spot on your scalp. Your hair stylist tells you that your hair is thinning, or that you have small bald areas. You have lost your eyebrows or eyelashes, your beard is thinning, or you have noticeably less hair on your underarms or pubic area.
The most obvious of the stages of hair loss is a noticeable change in your hairline that you can clearly see. Baldness often begins in the hairline, with the flat or mildly receded hairline you previously had turned into a more obvious M-shaped hairline — basically, bald with hair on sides.
Bald Spots: The Basics
Most bald spots, particularly those that develop around your hairline or the crown of your head, are caused by male pattern baldness (also known as androgenetic alopecia). Small, patchy bald spots can also develop due to a condition called alopecia areata, also known as “spot baldness.”
Causes of Alopecia Areata
In alopecia areata, the immune system mistakenly attacks hair follicles, causing inflammation. Researchers do not fully understand what causes the immune attack on hair follicles, but they believe that both genetic and environmental (non-genetic) factors play a role.
When does alopecia areata begin? You can get alopecia areata at any age; however, most people develop it by 30 years of age. For many, the disease begins during childhood or the teenage years.
These patches may connect and then become more noticeable. The condition develops when your immune system attacks the hair follicles causing hair loss. This kind of hair loss is very common, affecting nearly 7 million people in the United States, according to the National Alopecia Areata Foundation (NAAF).
One of the most widely used and proven treatments is minoxidil (Rogaine and various generic products). It's available in liquid, foam, or shampoo options. Stronger forms of minoxidil are also available by prescription. Minoxidil may cause side effects like skin irritation or unwanted hair growth on skin near the scalp.
Once you damage a hair follicle, hair cannot grow from that follicle. Having many damaged hair follicles creates permanent bald spots.
Telogen effluvium hair loss — the type of hair loss linked to stress — typically affects your scalp and may appear as patchy hair loss. However, it can also cause you to shed more body hair or notice less hair on your body than you normally would.
Stress-related hair loss, also called telogen effluvium, typically starts 2 to 3 months after a stressful event and can last for up to 6 months.
The human body produces the hormone melatonin. This hormone has been confirmed by researchers to regulate the sleep cycle and increase hair growth. While sleep has a direct impact on the human body's natural hormones, it means that poor sleep reduces the amount of melatonin, potentially cause hair loss.
It usually takes 15-25 years to go bald, but can be quicker. Typically, at first the hair begins to thin (recede) at the sides (temples). At the same time, the hair usually becomes thin on the top of the head. A bald patch gradually develops in the middle of the scalp.