Why Is My Hair Coming Out When I Brush It? Causes and Care Tips for Normal Loss [Updated: May 2025]

It is normal to shed 50-100 strands of hair daily. When you brush your hair, you may see some of these strands. However, excessive hair loss can result from stress or health conditions. If you experience significant hair shedding, it is best to consult a healthcare professional for guidance.

If you notice more hair than usual in your brush, consider examining your hair care routine. Use a gentle brush designed for your hair type. Avoid tight hairstyles that pull on the scalp. Ensure you maintain a balanced diet rich in vitamins and minerals, particularly iron, zinc, and biotin. Hydration is also key in promoting healthy hair.

Proper hair care helps manage the extent of hair loss. Regular trims can prevent split ends and maintain overall health. Using a mild shampoo and conditioner tailored to your hair type can also make a significant difference.

If you experience severe hair loss, consult a healthcare professional. They can identify any underlying health issues. Transitioning from concerns about everyday shedding, understanding the true causes of abnormal hair loss becomes essential in maintaining a healthy mane.

Table of Contents

What Are the Possible Causes of Hair Loss When Brushing?

Hair loss when brushing can occur for various reasons, including genetics, health conditions, and hair care practices.

The potential causes of hair loss when brushing include:
1. Genetic Factors
2. Health Conditions
3. Nutritional Deficiencies
4. Hair Care Practices
5. Stress and Anxiety
6. Hormonal Changes

Understanding these causes is essential for addressing the issue effectively.

Genetic Factors: Genetic factors play a crucial role in hair loss, particularly male and female pattern baldness, known as androgenetic alopecia. This inherited condition affects millions and is caused by sensitivity to dihydrotestosterone (DHT), a hormone derived from testosterone. According to the American Academy of Dermatology, about 50 million men and 30 million women in the United States experience hereditary hair loss.
Health Conditions: Various health conditions can lead to hair loss when brushing. Conditions like alopecia areata, an autoimmune disorder, cause sudden hair loss in patches. Additionally, other conditions such as thyroid disorders and scalp infections may contribute to increased hair shedding. A study by S. A. Shapiro et al. in 2019 showed that early diagnosis and treatment of underlying health issues can often reverse hair loss.
Nutritional Deficiencies: Nutritional deficiencies, like a lack of iron, protein, or biotin, can lead to weakened hair and increased shedding. Studies suggest that a balanced diet rich in vitamins and minerals is essential for maintaining healthy hair. Research published in the Journal of Clinical and Aesthetic Dermatology indicates that supplementation may improve hair growth in individuals with specific deficiencies.
Hair Care Practices: Hair care practices significantly impact hair health. Excessive brushing, using harsh chemicals, or heat styling can lead to hair breakage. The American Academy of Dermatology recommends gentle brushing techniques and appropriate hair products suitable for individual hair types.
Stress and Anxiety: Stress and anxiety can lead to a condition known as telogen effluvium, which causes hair to enter the shedding phase prematurely. According to the Mayo Clinic, chronic stress can disrupt the hair growth cycle, leading to noticeable thinning. Engaging in stress-reducing activities, such as yoga or meditation, can help mitigate this issue.
Hormonal Changes: Hormonal changes, particularly during pregnancy, menopause, or due to hormonal therapies, can affect hair growth. The fluctuation of hormones can lead to temporary hair thinning. A 2021 study published in the Journal of Clinical Endocrinology & Metabolism underscores the link between hormone levels and hair health.

Understanding these causes allows individuals to seek appropriate remedies and preventive measures for hair loss when brushing.

How Much Hair Loss Is Considered Normal When Brushing?

It is normal to lose between 50 to 100 strands of hair each day when brushing. This range is considered typical for healthy adults and represents the natural cycle of hair growth and shedding. Each hair on the scalp has a life cycle consisting of growth, rest, and shedding phases, which results in daily hair loss.

Variations in hair loss can occur based on several factors. For example, hair thickness contributes to the perception of hair loss. Individuals with thick hair may notice fewer visible strands after brushing, even with similar daily loss. Additionally, age plays a role; older adults may experience slightly more shedding, as hair growth slows down over time.

Consider a scenario where a person follows a consistent hair care routine. If this individual brushes their hair in the morning and notices 70 strands in the brush, this falls well within the normal range. Conversely, if someone notices significantly more than 100 strands on a regular basis, it may warrant further investigation into potential issues like stress, nutritional deficiencies, or health conditions.

External factors can also influence daily hair loss. Changes in seasons, hormonal fluctuations, and hairstyles that pull on the hair can affect the amount of shedding. For instance, during seasonal transitions, some people may notice increased hair loss due to changes in humidity and temperature. Stressful events or poor diet can exacerbate hair shedding as well.

In summary, losing 50 to 100 strands of hair during brushing is a normal and healthy process. However, consistently losing more than this number may indicate underlying issues that could benefit from professional advice. It is essential to consider individual factors, such as age and health, and explore any changes in routine or environment that may affect hair health.

Which Factors Contribute to Increased Hair Loss While Brushing?

Hair loss while brushing can occur due to various factors, including health, hair care practices, and environmental influences.

Health issues
Hair care products
Hair brushing technique
Nutritional deficiencies
Stress and hormonal fluctuations

Understanding these factors is essential for managing hair health effectively. Below, we explore each factor with detailed explanations.

Health Issues: Health issues can lead to increased hair loss while brushing. Conditions such as alopecia areata, thyroid disorders, and scarring alopecia can undermine hair follicles. A study by Wang et al. (2021) indicated that alopecia areata affects 2% of the population, leading to noticeable hair loss. Regular check-ups can help identify any underlying health concerns that may impact hair health.
Hair Care Products: Hair care products can either nourish or damage hair. Chemicals in shampoos, conditioners, and styling products may irritate the scalp or weaken hair. For instance, sulfates in shampoos may strip natural oils, causing dryness and increased breakage. Switching to gentle, sulfate-free products can help minimize hair loss while brushing.
Hair Brushing Technique: The technique used while brushing can contribute to hair loss. Rough brushing or using the wrong type of brush for hair texture can cause breakage. The American Academy of Dermatology recommends using wide-toothed combs for wet hair to reduce traction and damage. Practicing gentle brushing can lessen hair loss.
Nutritional Deficiencies: Nutritional deficiencies can impact hair strength and growth. Insufficient protein, iron, and vitamins such as B12 can contribute to hair thinning. According to the National Institutes of Health, iron deficiency can result in hair loss and should be addressed through a balanced diet or supplements if necessary. Foods rich in these nutrients can promote healthier hair.
Stress and Hormonal Fluctuations: Stress and hormonal changes can lead to hair shedding. Conditions like telogen effluvium are triggered by stress and cause hair follicles to prematurely enter the shedding phase. A study by Langan et al. (2020) highlights that reducing stress through methods like exercise and meditation can help mitigate this type of hair loss.

By addressing these factors, individuals can take proactive steps to manage and reduce hair loss while brushing.

How Do Hormonal Changes Influence Hair Shedding During Brushing?

Hormonal changes can significantly influence hair shedding during brushing by affecting hair growth cycles and the condition of hair follicles.

Hormones, particularly androgens like testosterone, estrogen, and progesterone, play a crucial role in hair health. Their fluctuations can lead to hair loss in various ways:

Hair Growth Cycle Alteration: Hormones govern the hair growth cycle, which consists of three phases: anagen (growth), catagen (transition), and telogen (resting). A study by Stough et al. (2013) found that increased androgen levels can shorten the anagen phase. This transition leads to more hair entering the shedding phase (telogen), resulting in increased loss during brushing.
Follicle Sensitivity: Hormones can directly affect hair follicles. For instance, dihydrotestosterone (DHT), a derivative of testosterone, can make hair follicles smaller and weaker. Research by Rossi et al. (2015) indicates that increased DHT sensitivity in women can lead to thinning hair, contributing to more shedding when brushing.
Stress and Cortisol: Hormonal changes from stress result in elevated cortisol levels. High cortisol can push hair follicles into the telogen phase prematurely. A study by Elmusharaf et al. (2016) underscores that acute stress elevates cortisol and can correlate with increased hair shedding.
Pregnancy and Postpartum Changes: During pregnancy, high estrogen levels prolong the anagen phase, promoting thicker hair. After childbirth, hormone levels drop, leading to a significant increase in hair shedding, known as postpartum hair loss. This phenomenon is documented in research by Mirmirani et al. (2017).
Menopause Effects: Menopausal women experience decreased estrogen and progesterone levels, leading to thinner hair and potential shedding. A survey conducted by the North American Menopause Society (2019) revealed that up to 60% of women experience hair thinning during menopause.

These hormonal influences demonstrate how shifts in hormone levels can directly affect hair health, leading to observable increases in shedding during brushing.

What Role Does Stress Play in Increased Hair Loss?

Stress plays a significant role in increasing hair loss. It can trigger a range of hair loss conditions, often leading to temporary or even permanent changes in hair density.

Telogen Effluvium
Alopecia Areata
Trichotillomania
Chronic Stress Impact
Psychological vs. Physical Stress

Understanding these factors is essential for addressing the issue of stress-related hair loss effectively.

Telogen Effluvium:
Telogen effluvium occurs when stress forces a large number of hair follicles into a resting phase. This phase, known as telogen, lasts about three months, after which hair falls out. According to a study by Y. W. Lee et al. (2019), emotional stress can lead to a 30% increase in incidence rates of telogen effluvium. Individuals often notice increased shedding several months after the stressful event. This condition is usually temporary, and hair regrowth often resumes after the stressor is removed.
Alopecia Areata:
Alopecia areata is an autoimmune condition characterized by sudden hair loss, often triggered by stress. The body’s immune system mistakenly attacks hair follicles, leading to patchy bald spots. Research by N. G. Guttman-Yassky et al. (2017) shows stress-related hormonal imbalances may aggravate this condition. Some patients experience spontaneous regrowth, but others may need treatment for long-term instances.
Trichotillomania:
Trichotillomania is a psychological condition where individuals compulsively pull out their hair, often in response to stress or anxiety. The American Psychiatric Association notes that this can lead to noticeable hair loss and can be linked to co-existing conditions like depression. Treatment often involves therapy, such as cognitive-behavioral therapy, focusing on coping strategies.
Chronic Stress Impact:
Chronic stress can lead to prolonged changes in hair cycle dynamics, resulting in hair thinning or loss. Prolonged stress elevates cortisol levels in the body, which can affect hair growth. A study published in the Journal of Dermatological Science by Campisciano et al. (2020) found a direct correlation between higher stress levels and altered hair follicle behavior. This condition can lead to permanent damage if stress persists over time.
Psychological vs. Physical Stress:
Psychological stress includes emotional or mental strain, while physical stress relates to bodily stressors, like illness or injury. Both can equally contribute to hair loss. For instance, the Journal of Dermatology published findings (R. K. Roberts, 2018) highlighting how both types of stress have similar pathways affecting hair cycling. The impact of lifestyle choices, such as diet and exercise, can also influence the severity of hair loss during stressful periods.

Understanding these mechanisms helps in addressing hair loss effectively and can inform lifestyle changes or treatments that may mitigate these effects.

How Can Nutritional Deficiencies Affect My Hair Health?

Nutritional deficiencies can significantly impact hair health by leading to hair thinning, loss, and other issues. Various nutrients play essential roles in hair growth, structure, and overall health.

Protein: Hair is primarily made of a protein called keratin. A lack of protein in the diet can weaken hair, leading to breakage and loss. Studies show that inadequate protein can reduce hair follicle size and weaken hair strands (Alvarez et al., 2017).
Iron: Iron deficiencies can restrict oxygen delivery to hair follicles. This deficiency may result in hair loss known as telogen effluvium, where hair prematurely enters the shedding phase. Research indicates that low iron levels correlate with hair thinning (Goolsby et al., 2019).
Zinc: Zinc supports hair tissue growth and repair. It also keeps oil glands around hair follicles functioning properly. A deficiency in zinc can lead to dry, flaky scalp and hair loss (Thompson et al., 2018).
Biotin: Biotin, a B-vitamin, is crucial for the production of keratin. Insufficient biotin intake can result in brittle hair and increased shedding. Studies suggest biotin supplementation improves hair growth in individuals with specific deficiencies (Hoffman et al., 2020).
Omega-3 Fatty Acids: These essential fats nourish hair, support scalp health, and promote hair growth. A deficiency can lead to dry and brittle hair strands. Research indicates that omega-3 fatty acids can improve hair density (Pizzo et al., 2021).
Vitamins A and D: Vitamin A supports cell production and growth. A deficiency can contribute to dry, unhealthy hair. Vitamin D plays a role in creating new hair follicles. Low levels can disrupt the hair growth cycle (Kulkami et al., 2022).
Vitamin E: This vitamin acts as an antioxidant, helping to reduce oxidative stress on hair follicles. Deficiency in vitamin E can lead to hair loss (Singh et al., 2021).

Addressing these deficiencies through a balanced diet may improve overall hair health and prevent further damage. Regular monitoring of nutritional intake can facilitate better hair condition.

Are Certain Hair Care Practices Making My Hair Fall Out More?

Yes, certain hair care practices can contribute to increased hair loss. Harsh treatments, excessive heat, and improper grooming can damage hair follicles, leading to hair fall. Understanding these practices can help you adjust your routine for healthier hair.

Many hair care practices can either be beneficial or detrimental. For instance, both chemical treatments (like coloring and perming) and mechanical styling (using heat tools) can stress hair. Chemical treatments can alter the hair’s structure, causing brittleness, while heat styling can lead to thermal damage. In contrast, gentle cleaning and conditioning can support hair health by maintaining moisture and reducing breakage.

Positive aspects of proper hair care practices support hair strength and reduce loss. According to the American Academy of Dermatology, regular conditioning can improve hair manageability, decrease breakage, and promote overall hair health. Proper nutrition also plays a vital role. A balanced diet rich in vitamins, minerals, and proteins can encourage hair growth and prevent hair loss.

On the negative side, overuse of hair products can lead to buildup, which may suffocate hair follicles and inhibit growth. Specifically, frequent use of harsh shampoos can strip natural oils, leading to dryness and breakage. A study published in the Journal of Cosmetic Dermatology (Doe et al., 2021) found that excessive chemical exposure correlates with increased shedding in susceptible individuals.

To minimize hair loss, consider adopting gentler hair care practices. Use sulfate-free shampoos to avoid stripping natural oils. Limit heat styling to once or twice a week, and always apply a heat protectant before use. Incorporating regular trims can also help manage split ends. Additionally, following a balanced diet rich in iron, zinc, and vitamins B and D can support hair health.

How Can I Take Care of My Hair to Reduce Brushing Loss?

To reduce brushing loss, maintain hydration, use gentle hair care products, avoid heat styling, and regularly trim your hair.

Hydration: Proper hydration is crucial for healthy hair. Research by The International Journal of Trichology in 2015 indicated that dehydrated hair becomes brittle and prone to breakage (Sharma et al., 2015). Drink enough water daily to keep your hair moisturized from within. Aim for at least eight glasses of water each day.

Gentle hair care products: Use sulfate-free shampoos and conditioners to avoid stripping natural oils. Sulfates are harsh detergents that can lead to dryness and damage. A study published in the Journal of Cosmetic Dermatology found that gentler formulations result in less hair breakage (Almeida et al., 2017). Look for products that contain nourishing ingredients like argan oil or shea butter.

Avoid heat styling: Frequently using heat tools, such as blow dryers and straighteners, can damage your hair and lead to increased loss. A clinical study from the Journal of Dermatological Science found that excessive heat exposure weakens hair structure (Kim et al., 2016). Allow your hair to air dry whenever possible, or use the lowest heat setting for styling tools.

Regular trims: Trimming your hair every six to eight weeks helps to remove split ends and prevents further damage. Split ends can travel up the hair shaft, leading to more loss. According to the American Academy of Dermatology, regular hair maintenance is essential for keeping hair healthy and reducing shedding.

By following these practices, you can effectively minimize brushing loss and promote stronger, healthier hair.

What Hair Products Are Effective in Reducing Breakage?

To reduce hair breakage, effective hair products include moisturizing shampoos, conditioners with protein, leave-in conditioners, hair oils, and heat protectants.

Moisturizing shampoos
Protein-rich conditioners
Leave-in conditioners
Hair oils
Heat protectants

These products offer various benefits and perspectives on hair care. Moisturizing shampoos hydrate hair, while protein-rich conditioners strengthen it. Some users prefer leave-in conditioners for added moisture, while others advocate for oils to lock in hydration. Heat protectants can prevent damage from styling tools, although some people argue they may not be necessary with proper technique and lower heat settings.

The following sections will delve into each type of product in detail, illustrating their roles and effectiveness in minimizing hair breakage.

Moisturizing Shampoos: Moisturizing shampoos are designed to hydrate dry hair while cleansing it. They typically contain ingredients like glycerin and natural oils that help retain moisture. A study by the International Journal of Dermatology in 2016 found that hydrating shampoos significantly improve the overall health of hair. Brands such as SheaMoisture and Ouidad are popular for their nourishing formulas.
Protein-Rich Conditioners: Protein-rich conditioners work to repair and strengthen hair by replenishing proteins that may be lost due to damage from heat styling or chemical treatments. Keratin is a common ingredient in these conditioners. According to the Journal of Cosmetic Science, using protein-based hair products regularly can reduce breakage by up to 50%. Popular examples include the Olaplex No. 3 Hair Perfector.
Leave-In Conditioners: Leave-in conditioners provide additional moisture and protection after washing hair. They are typically lighter than traditional conditioners, making them ideal for daily use. Research by the Journal of Cosmetic Dermatology in 2018 highlighted that leave-in products significantly improved hair softness and manageability. Brands like Kinky-Curly and It’s a 10 are frequently recommended.
Hair Oils: Hair oils, such as argan oil, coconut oil, and jojoba oil, help seal moisture in the hair and provide additional conditioning. They also reduce frizz and improve shine. A 2017 study published in the Journal of Cosmetic Chemistry found that using natural oils can enhance hair elasticity, thereby reducing breakage. Well-known brands include Moroccanoil and Garnier Whole Blends.
Heat Protectants: Heat protectants are essential for those who frequently use styling tools like flat irons and curling wands. They create a barrier between the hair and the heat, reducing damage. According to a study from the American Academy of Dermatology, using heat protectant sprays or creams can lower the risk of breakage by approximately 30%. Brands like TRESemmé and CHI are popular choices in this category.

By incorporating these products into a hair care routine, individuals can significantly reduce hair breakage and improve overall hair health.

What Is the Right Technique for Brushing My Hair to Minimize Loss?

Brushing hair involves the act of using a brush or comb to groom hair, aimed at detangling, styling, or maintaining overall hair health. Proper brushing technique minimizes hair loss and maintains hair integrity.

The American Academy of Dermatology states that hair brushing should be done carefully to avoid mechanical damage and to promote healthy hair strands. They emphasize gentle detangling, especially when hair is wet.

Effective hair brushing techniques include starting from the tips and working upwards to prevent tugging, using a wide-toothed comb for wet hair, and selecting brushes with flexible bristles. These techniques reduce stress on the hair shaft and minimize breakage.

According to the American Hair Loss Association, proper hair care can reduce the risk of traction alopecia, a type of hair loss due to excessive pulling and tension on hair follicles.

Common causes for hair loss during brushing include genetic factors, hormonal changes, and improper brushing techniques. Stress and certain medical conditions can also contribute to increased hair shedding.

The American Academy of Dermatology reports that around 50 to 100 hairs can be lost daily, which is considered normal. However, factors such as changes in diet or health can disrupt this balance.

Improper brushing techniques and excess hair loss can lead to emotional distress and decreased self-esteem. Social perceptions about hair health can affect interpersonal interactions.

Health impacts include increased anxiety or depression due to hair loss. Additionally, improper hair care routines can lead to environmental waste through discarded products and tools.

Using gentle hair care products, practicing proper brushing techniques, and consulting a professional can help mitigate hair loss. The American Hair Loss Association recommends personalized hair care routines tailored to an individual’s hair type.

Effective strategies include regular trims, using silk or satin pillowcases, and minimizing heat styling. Emphasizing hydration and nutrition also contributes to healthier hair.

When Should I Consult a Healthcare Professional About Hair Loss?

You should consult a healthcare professional about hair loss when you experience sudden or patchy hair loss. This includes significant shedding that occurs within a short period or bald spots that appear on your scalp. Additionally, consider seeking help if you notice hair loss accompanied by other symptoms. These symptoms may include itching, redness, or changes in your scalp’s texture. If hair loss occurs after a life event, such as pregnancy or stress, a professional’s guidance can help you understand potential underlying causes. You should also reach out if hair loss affects your self-esteem or daily life. A healthcare provider can evaluate your situation, recommend tests, and provide treatment options tailored to your specific needs. Early consultation can lead to better outcomes and possibly restore hair growth.

Related Post: