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Alopecia is the general medical term for hair loss.
There are many types of hair loss with different symptoms and causes. Some of the more common types of hair loss are described below.
Male-pattern baldness is the most common type of hair loss. As well as affecting men, it can sometimes affect women (female-pattern baldness). It can be particularly difficult for both men and women to cope with.
Male-pattern baldness follows a pattern of a receding hairline, followed by thinning of the hair on the crown and temples. During female-pattern baldness, hair usually only thins on top of the head.
Male- and female-pattern baldness is also called androgenic or androgenetic alopecia. Male-pattern baldness is a condition that runs in families, but it is not clear if this is the case with female-pattern baldness.
Alopecia areata is patches of baldness that may come and go. It can occur at any age, but mostly affects teenagers and young adults. Six out of 10 people affected develop their first bald patch before they are 20 years old.
Alopecia areata is thought to be caused by a problem with the immune system (the body's natural defence against infection and illness). It is also believed that some people's genes make them more susceptible to alopecia areata, as one in five people with the condition have a family history of the condition. In many cases the hair grows back after about a year.
Scarring alopecia, also known as cicatricial alopecia, is hair loss that can occur as a result of complications from another condition. In this type of alopecia, the hair follicle (the small hole in your skin that an individual hair grows out of) is completely destroyed. This means your hair will not grow back.
Conditions that can cause scarring alopecia include lichen planus (an itchy rash affecting many areas of the body) and discoid lupus (a mild form of lupus affecting the skin, causing scaly marks and hair loss).
Anagen effluvium is widespread hair loss that can affect your scalp, face and body. One of the most common causes of this type of hair loss is the cancer treatment chemotherapy.
It may be possible to reduce hair loss from chemotherapy by wearing a special cap that keeps the scalp cool. However, scalp cooling is not always effective and not widely available.
In most cases, hair loss in anagen effluvium is temporary. Your hair should start to grow back a few months after chemotherapy has stopped.
Telogen effluvium is a common type of alopecia where there is widespread thinning of the hair, rather than specific bald patches. Hair is shed from the scalp, usually as a reaction to stress or medication. This type of hair loss tends to improve without treatment after a few months.
More common types of hair loss, such as male-pattern baldness, do not need treatment because they are a natural part of ageing and do not pose a risk to your health.
However, any type of hair loss can be distressing, so you should see your doctor if you are worried about it.
Your doctor should be able to diagnose your type of hair loss by examining your hair, and they can also discuss possible treatments with you. It is advisable to visit your doctor before you try a private consultant dermatologist (skin care specialist).
If you wish to seek treatment for male-pattern baldness for cosmetic reasons, two medications called finasteride and minoxidil can be used. Minoxidil can also be used to treat female-pattern baldness.
However, these treatments are not effective for everyone and only work for as long as they are continued. These treatments are also not available on the NHS and can be expensive.
Alopecia areata is usually treated with steroid injections, although it is sometimes possible to use a steroid cream, gel or ointment. A treatment called immunotherapy may also be used. This involves stimulating hair growth by causing an intentional allergic reaction in the affected areas of skin.
If you have significant hair loss of any type, you may decide to wear a wig.
There are also some surgical options for hair loss, including a hair transplant and artificial hair implants.
Read more about diagnosing hair loss and treating hair loss.
Hair loss can be difficult to come to terms with. The hair on your head can be a defining part of your identity. It reflects the image you have of yourself and how you want others to see you.
If you start to lose your hair, it can feel as if you are losing part of your identity. This can affect your self-confidence and sometimes lead to depression.
Speak to your doctor if you are finding it difficult to deal with your hair loss. They may suggest counselling, which is a type of talking therapy where you can discuss your issues with a trained therapist.
You may benefit from joining a support group or speaking to other people in the same situation – for example, through online forums.
Different types of hair loss have different symptoms. Sometimes, both the head and body can be affected.
Male-pattern baldness usually starts around the late twenties or early thirties. By their late thirties, most men have some degree of hair loss.
Male-pattern baldness is so called because it generally follows a set pattern. The first stage is usually a receding hairline, followed by thinning of the hair on the crown and temples. This can leave a horseshoe shape of hair around the back and sides of the head. Sometimes it can progress to complete baldness, although this is uncommon.
Women's hair gradually thins with age, but women generally lose hair from the top of their head only. This is usually more noticeable after the menopause (when a woman's periods stop at around 52 years of age).
Alopecia areata causes patches of baldness about the size of a large coin. They usually appear on the scalp but can occur anywhere on the body.
There are usually no other symptoms, although in around one in 10 people the fingernails may also be affected, and may have a pitted or grooved appearance.
In most cases of alopecia areata, hair will grow back in a few months. At first, hair may grow back fine and white, but over time it should thicken and regain its normal colour.
Some people with alopecia areata go on to develop a more severe form of hair loss, such as:
As scarring alopecia is caused by another health condition, you will have symptoms relating to this condition besides hair loss. Unlike other forms of hair loss, the skin where the hair has fallen out is likely to be affected in some way.
For example, in cases where lichen planus has caused scarring alopecia, the skin may develop an itchy rash and may be inflamed.
In scarring alopecia, the hair follicles (small holes in the skin that contain the roots of each hair) are damaged and replaced with scar tissue. This means that new hair cannot grow, so the hair loss is permanent.
Anagen effluvium, most commonly caused by chemotherapy, usually occurs quickly. In most cases, hair loss is noticeable within a few weeks of chemotherapy starting.
In anagen effluvium, hair loss is widespread, rather than in patches. As well as losing hair from your scalp, you may also lose hair from your body and face.
This type of hair loss is usually temporary. Your hair should stop falling out and start to grow back a few months after chemotherapy has stopped.
In telogen effluvium, there is widespread hair loss from your scalp, rather than specific bald patches. Your hair may feel thinner than before, but you are unlikely to lose it all. Your other body hair will not usually be affected.
In most cases of telogen effluvium, your hair will stop falling out and start to grow back within six months.
Each type of hair loss has different causes, although the causes of some types are poorly understood.
Male-pattern baldness is hereditary, which means it runs in families. It is not clear if this is the case with female-pattern baldness.
Male-pattern baldness is thought to be caused by oversensitive hair follicles (holes in the skin that contain the roots of each hair). This is linked to the hormone dihydrotestosterone (DHT), which is made from the male hormone testosterone.
If there is too much DHT, the follicles react to it. The hair becomes thinner and grows for a shorter length of time than normal. The balding process is gradual because different follicles are affected at different times.
The causes of female-pattern baldness are less well understood. Women who have been through the menopause may have an increased chance of female-pattern baldness because they have fewer female hormones.
Alopecia areata is an autoimmune condition. The immune system is the body's natural defence system, which helps protect it from infection by bacteria and viruses.
Usually, the immune system attacks the cause of an infection, but in the case of alopecia areata it damages the hair follicles instead. It is not clear exactly why this happens. Fortunately, the hair follicles are not permanently damaged and in many cases the hair grows back within a few months.
Alopecia areata is more common among people with other autoimmune conditions, such as:
Alopecia areata is also more common among people with Down syndrome, a genetic condition that causes learning difficulties and affects physical development. More than one in 20 people with Down syndrome have alopecia areata.
Some people may be genetically more vulnerable to alopecia areata. Certain genes (units of genetic material) may make the condition more likely.
Around one in five people with alopecia areata have a family history of the condition, suggesting that the tendency to develop the condition may be inherited. You may also be at an increased risk of alopecia areata if a member of your family has one of the autoimmune conditions mentioned above.
Scarring alopecia is caused by permanent damage to the hair follicles. In many cases, it is not clear why this happens, although it is sometimes the result of another condition.
Conditions that can cause scarring alopecia include:
Anagen effluvium is usually caused by medical treatments for cancer, most commonly chemotherapy.
However, not all chemotherapy drugs cause hair loss and sometimes the hair loss is so small it is hardly noticeable.
In some cases, other cancer treatments – including immunotherapy and radiotherapy – may also cause hair loss.
Telogen effluvium is a type of temporary hair loss that can be caused by your body reacting to:
Although hair loss rarely needs to be treated, many people seek treatment for cosmetic reasons.
Many cases of hair loss are temporary (for example, due to chemotherapy), or are a natural part of ageing and don't need treatment. However, hair loss can have an emotional impact, so it is best to seek treatment if you are uncomfortable with your appearance.
If hair loss is caused by an infection or another condition, such as lichen planus or discoid lupus, treating the underlying problem may help prevent further hair loss.
Male-pattern baldness is not usually treated, as the treatments available are expensive and do not work for everyone.
Two medicines that may be effective in treating male-pattern baldness are:
Neither treatment is available on the NHS.
You may also want to consider wearing a wig or having surgery.
Finasteride is available on private prescription from your doctor. It comes as a tablet that you take every day.
It works by preventing the hormone testosterone being converted to the hormone dihydrotestosterone (DHT). DHT causes the hair follicles to shrink, so blocking its production allows the hair follicles to regain their normal size.
Studies have suggested finasteride can increase the number of hairs people have (hair count) and can also improve how people think their hair looks.
It usually takes three to six months of continuously using finasteride before any effect is seen. The balding process usually resumes within six to 12 months if treatment is stopped.
Side effects for finasteride are uncommon. Less than one in 100 men who take finasteride experience a loss of sex drive (libido) or erectile dysfunction (the inability to get or maintain an erection).
Minoxidil is available as a lotion that you rub on your scalp every day. It is available from pharmacies without a prescription. It is not clear how minoxidil works, but evidence suggests it can cause hair regrowth in some men.
The medication contains either 5% or 2% minoxidil. Some evidence suggests the stronger version (5%) is more effective. Other evidence has shown that this is no more effective than the 2% version. However, the stronger version may cause more side effects, such as dryness or itchiness in the area it is applied.
Like finasteride, minoxidil usually needs to be used for several months before any effect is seen. The balding process will usually resume if treatment with minoxidil is stopped. Any new hair that regrows will fall out two months after treatment is stopped. Side effects are uncommon.
Minoxidil is currently the only medicine available to treat female-pattern baldness.
Minoxidil lotion may help hair grow in around one in four women who use it, and it may slow or stop hair loss in other women. In general, women respond better to minoxidil than men. As with men, you need to use minoxidil for several months to see any effect.
Other treatments for hair loss include wigs and surgery (see below).
There is no completely effective treatment for alopecia areata. However, in most cases the hair grows back after about a year without treatment. So "watchful waiting" is sometimes best, particularly if you just have a few small patches of hair loss.
Some treatments for alopecia areata are outlined below.
Corticosteroids are medicines containing steroids, a type of powerful chemical called a hormone. They work by suppressing the immune system (the body's natural defence against infection and illness). This is useful in alopecia areata because the condition is thought to be caused by the immune system damaging the hair follicle.
Corticosteroid injections appear to be the most effective treatment for small patches of alopecia. As well as your scalp, they can also be used in other areas, such as your eyebrows.
A corticosteroid solution is injected several times into the bald areas of skin. This stops your immune system from attacking the hair follicles. It can also stimulate hair to grow again in those areas after about four weeks. The injections are repeated every few weeks. Alopecia may return when the injections are stopped.
Side effects of corticosteroid injections include pain at the injection site and thinning of your skin (atrophy).
Topical corticosteroids (creams and ointments) are widely prescribed for treating alopecia areata, but their long-term benefits are not known.
They are usually prescribed for a three-month period. Possible corticosteroids include:
These are available as a lotion, gel or foam depending on which you find easiest to use. However, they cannot be used on your face, for example on your beard or eyebrows.
Possible side effects of corticosteroids include thinning of your skin and acne (spots).
Corticosteroids tablets are not recommended due to the risk of serious side effects, such as diabetes](https://www.your.md/condition/diabetes/diabetes) and [stomach ulcers.
Minoxidil lotion is applied to the scalp and can stimulate hair regrowth after about 12 weeks. However, it can take up to a year for the medication to take full effect.
Minoxidil is licensed to treat both male- and female-pattern baldness, but is not specifically licensed to treat alopecia areata. This means it has not undergone thorough medical testing for this purpose.
Minoxidil is not recommended for those under 18 years old.
Immunotherapy may be an effective form of treatment for extensive or total hair loss, although fewer than half of those who are treated will see worthwhile hair regrowth.
A chemical solution called diphencyprone (DPCP) is applied to a small area of bald skin. This is repeated every week using a stronger dose of DPCP each time. The solution eventually causes an allergic reaction and the skin develops mild eczema (dermatitis). In some cases, this results in hair regrowth after about 12 weeks.
A possible side effect of immunotherapy is a severe skin reaction. This can be avoided by increasing the DPCP concentration gradually. Less common side effects include a rash and patchy-coloured skin (vitiligo). In many cases, the hair falls out again when treatment is stopped.
Immunotherapy is only available in specialised centres. You will need to visit the centre once a week for several months. After DPCP has been applied, you will need to wear a hat or scarf over the treated area for 24 hours because light can interact with the chemical.
Similar to immunotherapy, dithranol cream is applied regularly to the scalp before being washed off. It causes a skin reaction, followed by hair regrowth in some cases.
However, it has not been proven that dithranol cream is significantly effective in the long term. It can also cause itchiness and scaling of the skin and can stain the scalp and hair. For these reasons, dithranol is not widely used.
Two to three sessions of light therapy (phototherapy) are given every week in hospital. The skin is exposed to ultraviolet (UVA or UVB) rays. In some cases, before your skin is exposed to UV light you may be given a medicine called psoralen, which makes your skin more sensitive to the light.
The results of light therapy are often poor. The treatment can take up to a year to produce maximum results and responses vary, with a high relapse rate. It is often not a recommended treatment because side effects can include:
For many people, it is possible to replicate hair with a tattoo. This is known as dermatography and generally produces good long-term results, although it is usually expensive and can only be used to replicate very short hair.
This is usually carried out for eyebrows over a few hourly sessions and can even be used as a treatment for scalp hair loss caused by male-pattern baldness.
Wigs can be a useful treatment for people with extensive hair loss.
Acrylic wigs last for six to nine months. They are easier to look after than wigs made of real hair because they do not need styling. However, acrylic wigs can be itchy and hot, and need to be replaced more often than wigs made from real hair.
Some people prefer the look and feel of wigs made from real hair even though they are more expensive.
Real hair wigs last for three to four years, but are harder to maintain than synthetic wigs because they may need to be set and styled by a hairdresser and professionally cleaned.
Aromatherapy, acupuncture and massage are often used for alopecia, but there is not enough evidence to support their use as effective treatments.
Most men and women considering hair loss surgery have male-pattern or female-pattern baldness. However, surgery is sometimes suitable for a range of alopecia conditions.
Surgery for hair loss should only be considered after trying less invasive treatments., and it's not usually available on the NHS.
The success of hair loss surgery depends on the skill of the surgeon, as complications can arise. It's best to speak to your doctor for advice before seeking out a surgeon in the private sector.
The main types of hair loss surgery are explained below.
Under local anaesthetic (painkilling medication), a small piece of scalp (about 1cm wide and 30-35cm long) is removed from an area where there is plenty of hair. The piece of scalp is divided into single hairs or tiny groups of hairs, which are then grafted onto areas where there is no hair.
Stitches are not needed to attach the grafts because they are held in place by the clotting (thickening) action of the blood when the hairs are inserted. Fine hairs are placed at the front of the scalp and thicker hairs towards the back in a process called grading. This helps achieve a more natural result. Within six months, the hair should settle and start to regrow.
Hair transplants are carried out over a number of sessions. There should be a break of nine to 12 months between procedures. As with any type of surgery, there is a risk of infection and bleeding, which can lead to hair loss and noticeable scarring.
Hair transplantation is not provided by the NHS. It can be expensive and take a long time.
Scalp reduction involves removing pieces of bald scalp from the crown and the top of the head to move hairy parts of the scalp closer together. This can be done by cutting out loose skin and stitching the scalp back together, or it can be done by tissue expansion.
Tissue expansion is where a balloon is placed underneath the scalp and inflated over several weeks to expand the skin in stages. The balloon is then removed and the excess skin is cut out.
Scalp reductions are not suitable for hair loss at the front of the scalp because it can cause scarring. There is also the risk of infection in the area.
Scalp reduction is not usually used for male-pattern baldness, but it is available on the NHS to people with scarring alopecia. Surgery should only be carried out after any underlying conditions have cleared up.
Artificial hair implantation is marketed as a treatment for male-pattern baldness. It involves implanting synthetic fibres into the scalp under local anaesthetic.
Artificial hair implantation carries serious risks of infection and scarring, but clinics may be reluctant to inform people of the possible complications to avoid losing potential clients.
Artificial hair implantation is not recommended by dermatologists due to the risk of complications such as:
People considering hair loss surgery should explore more established treatments, such as hair transplantation and scalp reduction, because the advantages and disadvantages of these techniques are better understood.
The latest research into hair loss treatments is studying hair cell cloning. The technique involves taking small amounts of a person's remaining hair cells, multiplying them, and injecting them into bald areas.
Cloning is intended to treat both male- and female-pattern baldness. However, the science behind the technique is new and more trials are needed before it can be fully assessed.
Robert Murray started losing his hair at the age of 16 and, more than 10 years later, he's still coming to terms with it.
Insults like slaphead, chrome dome and baldie have made it difficult for Robert, from Cheshire, to be bald and proud.
He's not alone. Almost one-third of men are noticeably balding by the age of 30. Most try to hide their receding hairline by shaving off what's left.
Robert decided to test society's perceptions of baldness and sample some of the available treatments for a BBC3 documentary.
He tried several lotions, which promised to stimulate and nourish his hair follicles, as well as help them regrow hair. "All they did was redden my scalp, discolour the skin and leave a sticky residue," he says.
He tried an alternative treatment, which involved having his head regularly rubbed for 30 minutes by an Ayurvedic practitioner.
"While it was certainly pleasant, my hair failed to reappear," Robert says.
With the ointments and tablets having no effect, Robert tested whether a hairpiece would change how people treated him.
Wigs have come a long way since the days of TV magician Paul Daniels. It's been said that his decision to get rid of his toupée kept the Chernobyl nuclear disaster off the front pages in 1986.
"The first difference I noticed was how the wig made me feel about myself," says Robert. "Being fitted with false hair, I was surprised at how irate I felt towards the man reflected in the mirror.
"It felt like a slur on my integrity, but also made me wonder: if I hadn't lost my hair, would I be a different man?"
To put the toupée to the test, Robert took his wig to a speed dating event in Manchester. During the course of the evening, he spoke to eight women with his hairpiece on and eight women without it.
Robert felt a little self-conscious. "I couldn't stop patting my head every few minutes to ensure the toupée hadn't slipped to an awkward angle," he says.
Robert asked several women what qualities they looked for in a man. Personality and a sense of humour were among the answers.
Hair was never mentioned – until the wig came off. "I love bald men," Robert heard from two different women. "Vin Diesel is well fit," said another.
"The event ended with hugs and saucy compliments about my naked scalp, helping me realise that bald could be sexy," says Robert.
"The wig made me feel like a traitor to myself. It was time to embrace my baldness."
He remembers going to his doctor in his teens to ask for help with his hair loss. "He suggested a crew cut," says Robert.
But he now realises his doctor was right. "I just needed to get over losing my hair," he says.
While surveys show that British bald men are more ashamed of their hair loss than European men, women think there's nothing to be ashamed of.
But Robert believes society has some way to go before balding men can feel at ease with their thinning hair.
"We will only walk tall when the insults fade and there are no more false promises from dodgy treatments," he says.
"In the meantime, if my confidence wavers, I just look at the shaved domes of Freddie Ljungberg and Billy Zane."
Michelle Chapman was diagnosed with alopecia areata when she was just five. She now devotes her time to raising awareness of alopecia, supporting others with the condition, and designing a stylish range of wigs.
"I don't know why, but I began losing my hair when I was just five years old. It started slowly at first, just circular bald patches the size of a 10p piece. When I noticed lots of hair on my pillow, I began to ask questions. Mum took me to a dermatologist, who confirmed that I had alopecia areata. I didn't understand what was happening to me.
"Over time, the bald patches grew larger and started to join together. By the time I was eight, I was wearing a wig.
"Then, just before I started secondary school when I was about 10, my hair started to grow back for no apparent reason. But I still had the bald patches, so I'd disguise these by strategically styling my hair. Before classes, a couple of friends would help to colour my head in with eyeliner pencils, otherwise my white scalp would shine through.
"I was 21 when my hair loss happened again. I was in the shower and suddenly ankle deep in water because my hair was clogging the plughole. I pretty much lost the lot in one go. I felt devastated. Just when I thought I was over it, it got me again. That's one of the cruel things about alopecia.
"I eventually tried some wigs and chose a simple bob, just like the style I used to have. After a while, I began to get used to it and started to buy different types of wig.
"In 1996, I began my campaign to raise awareness of hair loss. When I was featured in a national newspaper, the response was incredible. Since then I was very fortunate to take part in a television documentary about Gail Porter, the television personality, who was diagnosed with alopecia in August 2005. It was wonderful meeting and working alongside Gail. Since then, the awareness for hair loss has increased dramatically.
"I've come a long way since those early years. I spend time as a volunteer for the charity Alopecia Awareness, which gives those experiencing hair loss the opportunity to communicate with others who understand the emotional trauma caused by the condition.
"To top it all off, I now work for a wig company. My time is divided between working alongside a number of NHS hospitals, where I attend specialist hair loss clinics, and designing a range of wigs. After all, I know how they should feel and what looks right.
"I now have around 50 wigs in my collection: red, brunette, blonde, black, long, short, straight, curly. The one I wear depends on where I'm going, what I'm doing, what I'm wearing and how I'm feeling. There is definitely life after hair loss."
Gita Mendis was diagnosed with alopecia in 2008.
In this video, Gita talks about her experience of alopecia areata, how she felt when she noticed her hair loss, and the treatment she received.
Important: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.