Different Types of Hair Loss: Causes, Symptoms & Treatment Options

Hair loss can happen for many different reasons, and understanding what type of hair loss you’re experiencing is an important first step toward determining what to do next.

Some forms of hair loss develop gradually over many years. Others appear suddenly following illness, stress, hormonal changes, medications, or physical damage to the hair follicles.

Some types of hair loss are temporary and may resolve once the underlying trigger is addressed, while others can lead to progressive or permanent hair loss.

Because different conditions can sometimes look similar, determining the cause of hair loss is important before deciding whether treatments such as medication, lifestyle changes, scalp treatments, or hair transplantation may be appropriate.

Below are some of the most common types of hair loss and how they differ.

Androgenetic Alopecia: Male and Female Pattern Hair Loss

Androgenetic alopecia is one of the most common causes of progressive hair loss in both men and women.

Often called male pattern baldness or female pattern hair loss, androgenetic alopecia is influenced by genetics and sensitivity to androgens.

In men, it commonly appears as:

• Recession around the temples
• A receding frontal hairline
• Thinning at the crown
• Progressive loss across the top of the scalp

Women may experience a different pattern, often involving gradual thinning and widening of the part while retaining more of the frontal hairline.

Because androgenetic alopecia can progress over time, long-term planning is particularly important when considering hair restoration.

Alopecia Areata

Alopecia areata is an autoimmune condition in which the immune system attacks hair follicles.

It commonly causes sudden, well-defined patches of hair loss and can affect the:

• Scalp
• Beard
• Eyebrows
• Eyelashes
• Other areas of the body

The course of alopecia areata can be unpredictable. Some people experience regrowth, while others may experience recurring or more extensive hair loss.

Because alopecia areata is an autoimmune condition, appropriate medical evaluation is important before considering cosmetic restoration.

Telogen Effluvium

Telogen effluvium is a form of excessive shedding that can occur when a larger-than-normal number of follicles enter the resting phase of the hair-growth cycle.

Potential triggers can include:

• Significant physical or emotional stress
• Illness
• Surgery
• Childbirth
• Hormonal changes
• Nutritional changes
• Certain medications

Unlike pattern hair loss, telogen effluvium often produces diffuse shedding throughout the scalp rather than a distinct receding hairline or bald area.

Identifying and addressing the underlying trigger is an important part of evaluating this type of hair loss.

Traction Alopecia

Traction alopecia develops when repeated tension is placed on hair follicles.

It can be associated with hairstyles or styling practices that continually pull on the hair, particularly around the hairline and temples.

Examples may include:

• Tight braids
• Tight ponytails
• Extensions
• Cornrows
• Certain protective hairstyles
• Repeated tension from styling

Early traction alopecia may improve when the source of tension is removed.

However, prolonged or repeated traction can eventually damage follicles and potentially lead to permanent hair loss.

Hair transplantation may be considered in certain cases of stable, permanent traction alopecia after the underlying cause has been addressed.

Scarring Alopecia

Scarring alopecia, also known as cicatricial alopecia, refers to a group of conditions in which inflammation damages and destroys hair follicles.

The damaged follicles can be replaced by scar tissue, making the resulting hair loss permanent.

Because active inflammatory disease can continue damaging follicles, medical diagnosis and control of the underlying condition are particularly important.

Hair transplantation is not automatically appropriate for someone with scarring alopecia. The condition generally needs to be carefully evaluated and sufficiently stable before surgical restoration is considered.

Anagen Effluvium

Anagen effluvium occurs when actively growing hairs are disrupted during the anagen, or growth, phase of the hair cycle.

It is commonly associated with treatments such as chemotherapy, although other factors can sometimes disrupt actively growing follicles.

Hair loss can develop relatively quickly because anagen hairs are affected while actively growing.

Whether and how hair returns depends on the underlying cause and its effect on the follicles.

Medication-Induced Hair Loss

Certain medications can contribute to hair shedding or changes in the normal hair-growth cycle.

Medication-induced hair loss can vary depending on the medication, dosage, individual response, and mechanism involved.

If you suspect a medication is contributing to hair loss, don’t discontinue a prescribed medication on your own.

Discuss your concerns with the healthcare professional who prescribed it so the potential cause and appropriate next steps can be evaluated.

Trichotillomania

Trichotillomania is characterized by recurrent hair pulling that can result in visible thinning or areas of hair loss.

It can affect the scalp, eyebrows, eyelashes, or other areas.

Because continued pulling can damage both existing and transplanted follicles, hair transplantation generally shouldn’t be viewed as the first step while the behavior remains active.

Addressing the underlying condition is an important part of protecting existing hair and determining whether future restoration may be appropriate.

Shock Loss After Hair Transplant Surgery

Shock loss after surgery refers to temporary shedding that can occur following a hair transplant.

Patients may notice shedding involving transplanted hair shafts and, in some circumstances, nearby native hair.

This can be alarming, but shedding after transplantation doesn’t necessarily mean that the transplanted follicles have failed.

The hair-growth cycle and recovery process take time, which is why visible results from a hair transplant develop gradually over several months.

Temporary vs. Permanent Hair Loss

One of the most important distinctions when evaluating hair loss is whether the condition is likely to be temporary, progressive, or permanent.

Temporary Hair Loss

Certain forms of shedding may improve once the underlying trigger resolves or is treated.

Examples can include some cases of:

• Telogen effluvium
• Anagen effluvium
• Medication-related shedding
• Temporary postoperative shedding

Progressive Hair Loss

Androgenetic alopecia can continue progressing over time.

Someone considering hair transplantation for pattern hair loss therefore needs to think beyond the areas that are thin today.

Future loss of non-transplanted hair can affect how a hair transplant looks years later.

Permanent Hair Loss

Hair follicles that have been permanently destroyed by scarring, long-term traction, injury, or other processes may not naturally regrow.

Whether transplantation is appropriate depends on the underlying cause, stability of the condition, donor supply, and individual circumstances.

How Is the Cause of Hair Loss Determined?

Hair loss can have many causes, and sometimes more than one factor may be involved.

An evaluation may consider:

• Pattern of hair loss
• How quickly it developed
• Family history
• Medical history
• Medications
• Recent illness or surgery
• Stress
• Nutrition
• Hormonal changes
• Styling practices
• Scalp symptoms
• Donor-area characteristics

Additional medical evaluation or testing may sometimes be appropriate depending on the suspected cause.

The important point is that treatment should follow diagnosis rather than the other way around.

Which Types of Hair Loss Can Be Treated With a Hair Transplant?

Hair transplantation can be an effective option for appropriately selected patients with permanent hair loss and adequate donor hair.

One of the most common indications is androgenetic alopecia.

Hair transplantation may also be considered in certain appropriately evaluated cases involving:

• Receding hairlines
• Pattern hair loss
• Stable traction alopecia
• Certain scars
• Eyebrow loss
• Facial-hair restoration
• Previous hair-transplant correction

However, transplantation isn’t appropriate for every type of hair loss.

Conditions involving active inflammation, unstable shedding, inadequate donor supply, or certain autoimmune processes may need medical treatment or stabilization before surgical restoration is considered.

Why Diagnosing Hair Loss Before a Transplant Matters

A hair transplant moves existing follicles; it doesn’t cure the underlying cause of hair loss.

That’s an important distinction.

For someone with progressive pattern hair loss, untreated native hair may continue thinning after transplantation.

For someone with active inflammatory or autoimmune hair loss, transplantation may not be appropriate until the underlying condition has been evaluated.

This is why a thorough evaluation should come before decisions about graft count, hairline design, or surgical technique.

What If My Hair Loss Is Permanent?

If your hair loss is stable and you’ve been determined to be an appropriate candidate for surgical restoration, the next step is understanding your donor supply and treatment options.

Modern hair transplantation can use techniques such as Follicular Unit Extraction (FUE) to relocate individual follicular units from appropriate donor areas to areas affected by permanent hair loss.

The goal should be more than simply adding hair.

Natural-looking restoration requires careful attention to donor management, hairline design, graft placement, density, and how future hair loss may affect the overall result.

Considering Hair Restoration in Los Angeles?

If you’re experiencing permanent hair loss and wondering whether you’re a candidate for transplantation, a personalized evaluation can help determine the cause of your hair loss, assess your donor area, and establish realistic treatment goals.

Patients researching a hair transplant in Los Angeles can learn more about FUE, candidacy, donor management, hairline design, recovery, results, and what to expect during a consultation at Concord Hair Restoration’s Encino location.

Frequently Asked Questions

What is the most common type of hair loss?

Androgenetic alopecia, commonly called male pattern baldness or female pattern hair loss, is among the most common causes of progressive hair loss.

How do I know what type of hair loss I have?

The pattern, location, speed of progression, medical history, medications, family history, scalp condition, and other factors can help determine the cause. Because different types can appear similar, professional evaluation may be necessary.

Is all hair loss permanent?

No. Some forms of hair loss or shedding may be temporary, while others are progressive or permanent. The prognosis depends on the underlying cause and whether the follicles remain capable of producing hair.

What causes sudden hair loss?

Sudden shedding can have several potential causes, including illness, significant stress, medications, hormonal changes, autoimmune conditions, or disruptions to the normal hair-growth cycle.

What causes a receding hairline?

A gradually receding hairline is commonly associated with androgenetic alopecia, although other conditions can also affect the frontal hairline. An evaluation can help determine the underlying cause.

Can stress cause hair loss?

Significant physical or emotional stress can sometimes contribute to conditions such as telogen effluvium, which causes increased shedding.

Can tight hairstyles cause permanent hair loss?

Repeated tension can cause traction alopecia. Early cases may improve when tension is eliminated, but prolonged follicle damage can potentially result in permanent hair loss.

Can every type of hair loss be treated with a hair transplant?

No. Hair transplantation is appropriate only for certain patients and causes of hair loss. The underlying condition, stability of hair loss, donor supply, medical history, and treatment goals need to be considered first.

Can hair continue falling out after a hair transplant?

Yes. A transplant doesn’t necessarily prevent future loss of non-transplanted native hair. This is one reason long-term planning is important for patients with progressive pattern hair loss.

When should I get my hair loss evaluated?

Consider an evaluation if hair loss is sudden, unexplained, rapidly progressing, patchy, accompanied by scalp symptoms, or causing concern. Determining the underlying cause can help guide appropriate treatment.