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Can you stop hair loss and regrow hair?

Can you stop hair loss and regrow hair?

Hair loss is something that will affect almost all men and many women throughout their lifetime. Hair loss can be the natural result of ageing, a sign of an underlying medical condition, genetic, due to severe stress or as a side effect of medication.

Last reviewed: 16-04-2020 by Dr Simran Deo

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Can you reverse hair loss?

The most common form of hair loss is male pattern hair loss, (or androgenic alopecia) which affects around 10 million men in the UK. Male pattern hair loss is a genetic condition passed on from parents to their children, and occurs in men who are hypersensitive to the sex hormone DHT (dihydrotestosterone). DHT is found near the top of the scalp and is thought to cause the hair follicles to shrink until they cannot produce any more hair.
 
At the moment, it’s not possible to reverse a man’s hypersensitivity to DHT but there are some treatments available that can be used to block the production of the enzyme that turns testosterone into DHT in the first place. This reduces the overall levels of DHT in the body and can help restore normal hair growth.

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How can I prevent hair loss?

Maintaining a good, nutritionally balanced diet, avoiding fatty foods, cigarettes and high levels of stress is the best way to prevent deficiencies that could result in hair loss. 
 
Unfortunately, male pattern hair loss is hereditary and cannot be prevented entirely. However, there are medications and shampoos that can slow or even pause the onset of male pattern hair loss while you’re using them.

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How can I stop hair loss?

Finding ways to stop hair loss will depend on what your hair loss causes are in the first place. It’s a good idea to try and find out what’s causing your hair loss before trying out the different treatments and methods available for stopping it. Some treatments will work better than others for certain people.

  • If you ever experience sudden or dramatic hair loss, you should always consult your GP to find out whether or not this is the result of an underlying medical condition or disorder. Sometimes, certain treatments (such as some treatments for cancer) will also cause hair loss. However, in most cases, this hair loss is temporary and normal hair growth will resume once the treatment has finished or the root illness has been treated.
  • Likewise, hair loss that is as a result of poor diet, nutritional deficiencies (such as a deficiency of vitamin A), smoking, or hair loss following intense periods of stress are all temporary and can be stopped by tackling the problem itself.
  • If hair loss is recognised as male pattern baldness, the most common form of hair loss, then unfortunately it cannot be stopped entirely. However, there are a number of different treatments that can temporarily pause or delay hair loss while they’re being used.

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Which treatments are available?

There are various different treatments for hair loss.

Propecia is taken in tablet form and contains the active ingredient finasteride. Propecia treatment will only affect hair on the scalp and works by blocking the creation of DHT, which is thought to shrink hair follicles and cause hair loss. By lowering the levels of DHT in the body, Propecia can stop and even reverse hair loss by restoring normal hair growth. Propecia has been shown to decrease hair loss and increase regrowth in 90% men.
 
Propecia is a branded medication but you can also buy Finasteride in tablet form that works in the same way. Neither Propecia nor Finasteride tablets should be handled or used by women or children.
 
Minoxidil can be used by both men and women experiencing hair loss and comes as a cream or foam, which should be massaged into the scalp. It works by increasing blood flow to the hair follicles on the scalp and has been proven to reduce hair loss, but the hair that grows back will be weaker than the rest of their hair.

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What you can do to stimulate hair growth?

To stimulate hair regrowth, you should first of all make sure you are as healthy as possible by quitting smoking, having a balanced nutritional diet and reducing levels of stress. You need to help your body out by giving your cells, organs and bodily tissues all the vitamins and nutrients they need to create healthy hair.
 
It is much easier to prevent hair loss than to regrow any lost hair, but Propecia or Finasteride tablets can be very effective. Creams like Minoxidil can also be used to help stimulate hair regrowth by increasing blood flow to the scalp.
 
There are also a range of hair loss shampoos you can buy which are designed to stimulate hair regrowth, such as Alpecin, which work by stimulating the hair follicles with caffeine.

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Hair transplants

There are some surgical treatment options for hair regrowth, such as hair transplants, but these are not currently available on the NHS. Hair transplants involve taking hair from healthy areas of the patient’s scalp where there is plenty of hair, and implanting this onto the areas affected by hair loss. Hair transplants with artificial hair are now much less popular because of the side effects and health risks involved. Any hair transplant may be expensive and although most have good results there is no guarantee it will work or restore full regrowth.

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How much hair loss is normal?

One of the biggest myths about hair loss is that losing hair every day means you must be going bald: even people who aren’t affected by permanent hair loss will lose quite a lot of hair daily. As a rule, it is totally normal to lose around 100 hairs a day and these will usually grow back.
 
However, if you are losing significantly more than this and there is little regrowth then it is likely that you have pattern hair loss. If you lose lots of hair suddenly or over a short period of time, you should consult your GP immediately, as this could be the sign of an underlying medical condition.

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The hair growth cycle
 
Your hair follows a specific cycle of growth with three distinct phases that all occur randomly and can be happening simultaneously for different hairs on your head: the anagen, catagen and telogen phases. Each phase has certain characteristics that will determine the length of individual hairs.
 
The anagen phase is the active phase of the hair growth cycle. Most of the hair on your scalp will be in this phase. During the anagen phase, hair grows at a rate of about 1cm every 30 days. The hair on your scalp will stay in this active phase for between 2 and 6 years.
 
The catagen phase is the transitional stage that lasts for about 2-3 weeks. About 3% of the hair on your scalp is in this phase at any one time.
 
The telogen phase is the resting phase and lasts for about 100 days for scalp hair and longer for hairs on the rest of your body. About 6-8% of the hairs on your head will be in this phase.
 
Because each of these phases can happen simultaneously, it means that one set of hairs could be in the anagen phase, whilst another set of hairs on the other side of the scalp are in the catagen or telogen phase and growing at a completely different rate.

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