We don’t talk about beard hair loss enough. Most talk about hair loss focuses on the scalp, with little support for men dealing with a patchy beard. However, facial hair plays a big part in how many men see themselves. Losing it out of the blue can be genuinely upsetting. One of the most common causes of patchy beard hair loss is alopecia barbae, a form of alopecia areata that targets the beard. Despite being fairly common, affecting around 28% of all cases, it is often poorly understood and missed. In this article we explain what it is, what causes it and how to spot it. We also review the best treatment options for beard hair loss.
What is Alopecia Barbae?
Alopecia barbae is a subtype of the autoimmune disorder alopecia areata. Alopecia areata can affect any hair-bearing area, including the scalp, eyebrows and eyelashes. The beard form is when the hair loss is in the facial hair. Crucially, it can occur alongside hair loss on the scalp or elsewhere, or it can show up on its own.
This form of hair loss usually shows as one or more small, circular, well-defined patches in the beard. The patches are usually smooth and the skin within them looks normal. There is not usually any scarring, scaling or redness, which sets it apart from conditions such as fungal infections or folliculitis that can also cause beard hair loss. The patches can range from small, coin-sized spots to larger areas. In some cases, they may expand and merge, leading to more widespread loss. In severe cases, you can lose all your facial hair.
It can affect men of any age or ethnicity. However, it tends to show up most often in men in their twenties and thirties. Research has shown that the neck tends to be the most commonly and severely affected area, followed by the sides of the beard. The course of the condition is also hard to predict. Some men have a single bout with full regrowth. Others have recurring bouts of loss and regrowth over months or years.
What Causes Alopecia Barbae?
Alopecia barbae happens when the body’s immune system mistakenly sees the beard hair follicles as foreign invaders and attacks them. This attack, mainly driven by T-cell lymphocytes, causes inflammation around the follicle, which disrupts the normal hair growth cycle and makes the hair fall out. The follicle itself is not destroyed for good, which is why regrowth is possible, especially if treated early. It is not clear why the immune system starts targeting beard hair. However, several factors are likely to play a role in setting it off:
- Genetics: having a family history of alopecia areata or other autoimmune conditions raises your risk. Research shows that several of the genes involved in immune control raise the chance of it. However, unlike on the scalp, some research suggests the beard form may not follow as clear a genetic pattern.
- Other inflammatory conditions: it often goes hand in hand with other autoimmune disorders. These include thyroid disease (both an underactive and an overactive thyroid), type 1 diabetes, vitiligo, psoriasis, atopic dermatitis and lupus. In some cases, this leads to finding a condition that was not known before.
- Stress: whilst stress does not directly cause it, both physical and mental stress can be triggers in people who are already prone to it. Many patients say their beard hair loss began after a period of major stress, illness or a big life event.
- Environmental triggers: certain infections, medicines and things in your environment may also set off the immune response in people who are prone to it. However, the evidence is still limited.
What are the Symptoms of Alopecia Barbae?
There are several typical features that help set it apart from other causes of beard hair loss. The main signs include:
- Circular patches of hair loss: the most obvious sign is one or more smooth, round or oval bald patches in the beard. These usually have clear, well-defined borders.
- Exclamation mark hairs: these are short, broken hairs that are thicker at the top and taper towards the base. They are a classic sign of alopecia areata, often seen at the edges of the bald patches, and they point to active hair loss.
- Black dots: these are hair shafts broken at the skin surface, sometimes seen on close inspection or trichoscopy (dermoscopy of the hair).
- White or grey hairs: in some cases, the hairs that grow back within or around the patches start out white or grey before going back to their normal colour.
- Itching or tingling: some people feel a mild itching, tingling or burning in the area before or during a bout. However, the patches themselves are usually free of symptoms.
- Sudden onset: it tends to appear quite suddenly. You may notice a patch develop over just days to weeks, which can be alarming.
It is worth noting that, unlike on the scalp, it does not usually change the fingernails with pitting or ridging. If you have patchy beard hair loss, it is worth seeing a doctor or dermatologist to confirm the diagnosis. They can also rule out other causes such as fungal infections (tinea barbae), folliculitis, or scarring conditions like frontal fibrosing alopecia, which can sometimes involve the beard.
How Do You Diagnose it?
In most cases, a doctor can diagnose it from a clinical check of the beard hair loss. The smooth, round patches, exclamation mark hairs and lack of scarring or scaling are usually enough to make the diagnosis. In some cases, your doctor may use trichoscopy to look at the follicles more closely. Common findings include tapered hairs, yellow dots, black dots, thin regrowing hairs and exclamation mark hairs.
If there is any doubt, your doctor may also take a small skin biopsy from the edge of a patch to look at under the microscope. This can help tell it apart from other causes of beard hair loss. Because of the well-known link with other autoimmune conditions, your doctor will usually suggest blood tests to screen for thyroid disease, diabetes and other markers. This matters, as some cases of beard alopecia have led to finding previously unknown thyroid disease or early diabetes.
Treatments for Alopecia Barbae
There is currently no cure for it, and it can be hard to predict, with bouts that clear and come back. However, several treatments can help encourage regrowth, shorten bouts and manage symptoms. It is worth noting that many of its treatments are actually off-label uses of ones for scalp alopecia areata. The main treatment options for regrowth include:
- Corticosteroids: steroids are the most common treatment for it. They work by calming the local immune response that is attacking the follicles. Injections put small amounts of a steroid such as triamcinolone acetonide straight into the bald patches. They are usually the first approach for limited cases, with sessions every 4 to 6 weeks. You can also apply topical steroids (serums, creams or ointments) such as clobetasol propionate or triamcinolone acetonide to the patches daily for up to 3 to 6 months. They are less potent than injections but are non-invasive and suit mild to moderate cases at home. In severe cases, oral steroids like prednisolone may be needed to calm the immune system, usually for shorter spells of up to 3 months to limit side effects.
- Minoxidil: this supports hair growth by widening blood vessels, improving blood flow to the follicle and lengthening the anagen (growth) phase of the hair cycle. You can apply topical minoxidil to the affected beard up to twice a day. It does not tackle the underlying autoimmune cause, but it can help support and speed up regrowth. It is often best used with corticosteroids for a fuller approach. Results may take several months to show, and you need to keep using it to hold on to the benefit. Minoxidil does carry some side effects, including local skin irritation and unwanted hair growth where the product accidentally touches other skin.
- Topical immunotherapy: diphencyprone (DPCP) works by deliberately causing a controlled allergic reaction on the skin. This distracts the immune system from attacking them by turning it towards the allergic reaction instead. It is typically used for more extensive or treatment-resistant cases. Clinicians apply it in clinic, starting with sensitisation and then regular doses at rising strengths. Side effects include redness, swelling, itching and blistering at the site, and results can take 3 months or more to show.
- JAK inhibitors: Janus kinase (JAK) inhibitors are a newer class of treatment for alopecia areata and barbae. They work by blocking specific immune signals (the JAK-STAT pathway) involved in the immune attack on the follicles. Oral JAK inhibitors such as baricitinib and ritlecitinib have approval for severe alopecia areata from the FDA and MHRA. Researchers have also studied topical tofacitinib (compounded at 2%) for the beard form, with promising results, including complete regrowth in 22% of patients and partial regrowth in 55%. JAK inhibitors are generally kept for more severe cases, or where other treatments have not worked, as they can carry whole-body side effects and need careful monitoring.
- Platelet-rich plasma (PRP): this involves drawing a small amount of your own blood, processing it to concentrate the platelets and growth factors, then injecting this into the affected areas. PRP may aid healing and boost the roots. There is sparse but promising evidence for its use here. It can be a standalone treatment, but more often it is used with other therapies.
Can You Get a Beard Transplant for Alopecia Barbae?
This is a common question, and the short answer is that a beard transplant is generally not a good idea here. This is because the condition is autoimmune, so the immune system will keep attacking the follicles after the transplant. This means the transplanted hairs are likely to fall out, just as the original hairs did. However, beard transplants can be very effective for men who have naturally sparse or patchy beard growth where there is no underlying autoimmune condition.
Will Alopecia Barbae Go Away on Its Own?
What makes it so tricky is how hard it is to predict. Some men have a single bout with full regrowth within months and no treatment at all. Others have recurring bouts that come and go over years. In some cases, it can become long-lasting and resistant to treatment. There are currently no reliable ways to predict how any one case will go. Things that may point to a poorer outlook include extensive or fast-spreading hair loss, an early age of onset, a long spell before treatment starts, and the presence of other autoimmune disorders. Even where regrowth happens, the first new hair is often white or grey before slowly going back to its colour. This is why early diagnosis and regular checks with a doctor matter.
When Should You See a Doctor About Beard Hair Loss?
If you notice one or more smooth, round patches of hair loss in your beard, it is worth seeing a doctor. Whilst it is not physically harmful, a proper diagnosis matters for several reasons. Firstly, it lets you rule out other causes of beard hair loss, such as fungal infections, which need different treatment. Also, the link between it and other autoimmune conditions means this can prompt screening for conditions like thyroid disease or diabetes that might otherwise go undetected. Lastly, early treatment tends to give better outcomes than waiting for it to progress.
Alopecia barbae is an autoimmune condition that causes patchy hair loss in the beard. Whilst it is not physically dangerous, it can have a real impact on confidence and quality of life. The good news is that there are several treatment options available. These include topical corticosteroids, medicated beard serums and newer therapies like JAK inhibitors. The condition can also have episodes of regrowth on its own, particularly in milder cases. If you notice unexplained bald patches in your beard, seek medical help early. This gives you the best chance of a good outcome and makes sure you manage any underlying conditions.
We offer personalised beard growth treatments through our online clinic. Our doctors create custom beard growth treatments using actives such as minoxidil, melatonin, caffeine and tretinoin where appropriate. To start, book a virtual video consultation or use our online consultation form. The journey towards great skin and hair starts here.
This article is intended for general informational purposes only and is not a substitute for medical advice, diagnosis or treatment. Always consult a qualified medical professional with any concerns about your hair or treatment options.
