What Are Common Causes Of Hair Loss In Men And Women?

What are the most common causes of hair loss in men and women? This question has been a subject of interest for many, as hair loss affects millions worldwide. In this comprehensive blog post, we will delve into the various types of hair loss, their underlying causes, and effective treatment options.

We will explore patterned, diffuse, and focal hair loss along with their unique characteristics. Furthermore, we will discuss alopecia causes and variations such as involutional alopecia, androgenic alopecia, and female pattern baldness. Factors influencing hair loss like hormonal changes, medical conditions, or medications taken by individuals play a significant role in determining the severity of the condition.

In our quest to understand what the most common causes of hair loss in men and women are; we will also examine treatment options, including topical minoxidil application or oral medications for DHT blocking. These can help slow down or reverse some forms of alopecia. Additionally, we’ll look at how aging impacts our natural hair growth cycles while shedding light on full-body hair loss conditions like Alopecia Areata.

Types of Hair Loss

Hair loss can manifest in various ways depending on the underlying cause. Some common types include patterned hair loss, diffuse hair loss, and focal hair loss. Each type has unique characteristics that help identify the root cause of an individual’s alopecia.

Patterned Hair Loss: Progressive Thinning at Front, Top, and Sides of Scalp

Male-pattern baldness, also known as androgenetic alopecia, is a hereditary form of hair loss affecting both men and women. It typically begins with a receding hairline followed by thinning at the crown or top area.

Diffuse Hair Loss: Often Due to Telogen Effluvium After Acute Events

This type of temporary hair shedding occurs when more hairs than usual enter the resting phase (telogen) due to stressors like illness or medication side effects.

Focal Hair Loss: Spontaneous Regrowth Possible in Milder Forms

Alopecia areata is an autoimmune disorder causing patchy hair loss, which may resolve spontaneously or require medical treatments for regrowth.

Hair thinning or loss can be due to a multitude of causes, ranging from heredity and age-related issues to sudden occurrences. It is vital to grasp the diverse kinds of hair loss to decide on the right solution for your special requirements. Moving on, let’s look at alopecia causes by age and gender.

Alopecia Causes by Age and Gender

While hair loss can affect people of all ages, certain types are more common in specific age groups and genders. Involutional alopecia, a natural condition where hair thins with age, is one such example. On the other hand, androgenic alopecia, also known as hereditary hair loss or pattern baldness, is genetic and affects both men and women.

Involutional Alopecia: A Result of the Aging Process

As you age, your scalp’s active hair follicles diminish in number, causing the remaining hairs to become shorter and thinner.

Androgenic Alopecia: Affecting Both Sexes Due to Genetics

  • Men: Androgenetic alopecia typically begins around their late twenties or early thirties with receding hairlines followed by thinning at the crown area.
  • Women: Female pattern baldness usually starts during their 40s or beyond with general thinning over the entire scalp – most extensive at the crown region. Hormonal changes like pregnancy or menopause may exacerbate this condition.

If you’re experiencing any form of unexplained sudden hair loss, it’s crucial to consult a healthcare professional for proper diagnosis and treatment options, tailored specifically to your needs. Hair loss can be caused by a variety of factors, including temporary hair loss due to medical treatments, hair shedding caused by telogen effluvium, hair thinning due to thyroid disease, fungal infection called tinea capitis, patchy hair loss caused by alopecia areata, permanent hair loss caused by scarring alopecia, and hair loss caused by traction alopecia, which is often seen in people who wear tight hairstyles. In some cases, hair may grow back on its own, but severe alopecia areata may require treatment.

Both age and gender-specific factors can contribute to the development of alopecia, a complex condition. Hormonal fluctuations, like those experienced during gestation or menopause, can lead to hair loss for certain individuals.

Hormonal Changes Impacting Hair Loss

Various hormonal changes can significantly influence an individual’s susceptibility to experiencing hair loss. For instance, pregnancy-related hormonal fluctuations often lead to temporary shedding of hair due to increased estrogen levels. Similarly, menopause-induced imbalances in hormones like estrogen and progesterone contribute to the onset of female pattern baldness.

  • An increase in estrogen levels during pregnancy promotes hair growth.
  • Postpartum decrease in hormone levels may cause sudden hair shedding.
  • Hair usually returns to its normal growth cycle within a few months after delivery.
  • A decline in estrogen and progesterone production affects hair follicles negatively.
  • Androgenetic alopecia (AGA), or female pattern baldness, is more likely during menopause years.
  • Hormone Replacement Therapy (HRT) and topical minoxidil are two potential treatments for AGA caused by the decline of estrogen and progesterone during menopause.

Hormonal fluctuations can lead to hair loss and recognizing them may provide insights into possible treatments. It is essential to be aware of the potential for medications and treatments that lead to hair loss, to facilitate finding appropriate solutions.

Woman getting her hair washed

Medications and Treatments Causing Hair Loss

Certain medications and treatments may also be a factor in hair loss, which can occur naturally due to aging or genetics. Chemotherapy drugs used in cancer treatment, for example, are known to cause temporary hair loss as they target rapidly dividing cells, including those in the hair follicles.

Chemotherapy Drugs Causing Temporary Hair Loss

The severity of hair loss from chemotherapy varies depending on the specific drug and dosage used. However, it is important to remember that this side effect is usually temporary. Once treatment ends, your hair will likely begin growing back within a few months.

Excessive Hairstyling Leading to Damaged Follicles

Besides medical treatments, excessive hairstyling practices such as using hot-oil treatments or permanents can lead to damaged follicles over time. This damage results from heat exposure sustained during these styling processes which ultimately affects how well your hair grows. To minimize the risk of causing permanent hair loss through styling habits, consider reducing the frequency of these treatments or opting for gentler alternatives.

Though medications and treatments can lead to hair loss, there are many remedies available to help mitigate the effects. Let’s now explore how the typical hair growth pattern influences everyday shedding and how age can affect these patterns.

Hair Growth Cycle and Daily Shedding

Understanding the hair growth cycle is essential in recognizing what is considered normal when it comes to daily hair shedding. The average human scalp has roughly 100k – 150k hairs and sheds around a hundred each day. Hair growth cycles last between two and eight years with a resting phase of two to three months. As people age, their rate of hair growth slows down.

Understanding Normal Hair Shedding Rates

It’s important not to panic if you notice some hair falling out each day. Losing up to 100 hairs per day is considered normal, so there’s no need for immediate concern unless the amount increases significantly or becomes accompanied by other symptoms such as itching or redness on the scalp.

Effects of Aging on the Hair Growth Cycle

Aging affects our bodies in various ways, including how our hair grows. As we get older, the duration of our hair growth cycle shortens, resulting in thinner strands and slower regrowth. This natural process can contribute to overall thinning over time, but understanding these changes can help individuals better manage their expectations regarding their locks’ appearance.

The hair growth cycle and daily shedding are essential components of understanding hair loss, as it can provide insight into the normal shedding rate. Nevertheless, certain medical conditions and autoimmune issues may be responsible for hair loss; this will be explored further.

Young woman losing her hair

Autoimmune Disorders and Medical Conditions

Autoimmune disorders and medical conditions can cause hair loss in both men and women. It is important to consult a doctor for proper diagnosis and treatment options if you are experiencing persistent symptoms.

One common autoimmune disorder that causes hair loss is alopecia areata. This condition causes the immune system to attack hair follicles, resulting in sudden and unpredictable hair loss. Alopecia areata can affect people of all ages and can cause small, round patches of baldness on the scalp or other areas of the body. While hair may grow back in some cases, it is not guaranteed.

Lupus, another autoimmune disease, can also cause hair loss. Inflammation on the scalp can lead to scarring alopecia. Additionally, people with uncontrolled diabetes may experience hair thinning as a side effect of their condition.

If you suspect that an underlying health issue is causing your hair loss, seek professional advice from a healthcare provider for appropriate medical treatments.

FAQs: What Are the Most Common Causes of Hair Loss in Men and Women?

What is the most common cause of hair loss in men and women?

The most common cause of hair loss in both men and women is androgenetic alopecia, also known as male or female pattern baldness. This type of hair loss is primarily due to genetic factors, hormonal changes, and aging.

What are the most common causes of hair loss in men?

In addition to androgenetic alopecia, other common causes for hair loss in men include medical conditions like thyroid problems, medications such as chemotherapy drugs, excessive hairstyling, stress, poor nutrition, and smoking.

What are the most common reasons for hair loss in women?
  • Hormonal changes: pregnancy or menopause
  • Polycystic ovary syndrome (PCOS)
  • Anemia or iron deficiency
  • Tight hairstyles causing traction alopecia
  • Certain medications including birth control pills
  • Nutritional deficiencies or crash diets


What causes hair loss and balding in women?

Hair loss and balding in women can be caused by genetic factors such as female pattern baldness, hormonal changes due to pregnancy or menopause, telogen effluvium (temporary hair loss due to stress or illness), medical conditions like PCOS and thyroid disorders, certain medications, and nutritional deficiencies.


Exploring the various sources and causes of hair thinning, it is evident that a multitude of elements can lead to this prevalent problem. Hormonal changes, medical conditions, medications, and excessive hairstyling can all play a role in causing hair loss in both men and women. However, with treatment options such as topical minoxidil application and addressing underlying health causes, individuals experiencing hair loss have hope for regaining their full head of hair.

If you are suffering from hair loss or thinning hair due to any of the factors mentioned above or other reasons not listed here – don’t hesitate to contact Hair Center of Palm Beach today! Our team offers non-surgical hair replacement solutions for quick, pain-free results. Schedule your consultation now!

Let us help find the perfect hair replacement system for you!

Skip to content