Diabetes Hair Loss: Does Diabetes Cause Hair Loss?

Reviewed by Dr. Emin Gül · Reviewed in accordance with our Editorial Standards.

Diabetes Hair Loss is a condition where high blood sugar levels cause hair thinning or shedding, due to poor circulation, hormonal imbalances, or medication-related effects. Diabetes is a chronic condition where the body does not produce enough insulin or does not use it effectively. It leads to elevated blood sugar levels. The two main types are Type 1 diabetes, where the immune system attacks insulin-producing cells, and Type 2 diabetes, where the body becomes resistant to insulin.

Diabetes causes hair loss, as prolonged high blood sugar levels damage hair follicles and affect their growth cycle. Hair loss Diabetes refers to the thinning or shedding of hair caused by diabetes-related factors, including poor blood circulation, hormonal changes, or medication side effects. The relation between diabetes and hair loss occurs when high glucose levels disrupt the normal hair growth cycle, leading to conditions (telogen effluvium or alopecia areata). Hair loss and diabetes are linked in type 1 diabetes hair loss and type 2 diabetes hair loss, but the impact varies depending on blood sugar control. The diabetes hair loss involves gradual thinning rather than sudden bald patches, making it more difficult to detect early.

Why Is Hair Loss a Sign of Diabetes?

Hair loss is a sign of diabetes because high blood sugar harms blood vessels and stops hair from growing the right way. Less oxygen and nutrients reach the hair roots when sugar in the blood stays high. It makes hair weak and slows down growth. Diabetes affects hormones and causes the body to attack its hair by mistake. Poor blood flow shortens the growing stage of hair, leading to hair loss, even on the head, arms, or legs. Signs of diabetes hair loss include patchy bald spots, slow regrowth, and thinning hair over time.

Hair loss is normal when patients have diabetes because the body is under stress from high sugar levels. Sugar and hair loss are connected, since high sugar harms the cells that grow hair. Insulin resistance weakens the hair roots and increases inflammation, in high blood sugar hair loss. Hair becomes thin, breaks easily, and falls out faster. The kind of hair loss is an early warning sign of diabetes, when seen with tiredness, blurred vision, or sudden weight changes.

How does Diabetes Cause Hair Loss?

Diabetes causes hair loss through disrupted blood sugar control, hormone changes, and immune system attacks on hair follicles. Unstable glucose levels lead to chronic inflammation that affects healthy follicle cycles, in type 1 diabetes and type 2 diabetes hair loss. The body enters a catagen phase too early, where hair stops growing and starts shedding. High blood sugar damages small blood vessels in the skin, limiting the supply of oxygen and nutrients needed for hair to stay strong and grow back. It creates gaps in the hair growth cycle in areas with finer hair.

Hair thinning linked to diabetes results from long-term stress, known to raise cortisol levels and trigger telogen effluvium. More hair than usual enters the resting phase and falls out. Autoimmune disorders connected with type 1 diabetes hair loss (alopecia areata), lead to patchy bald spots as the immune system targets hair follicles. Diabetes medications (GLP-1) receptor agonists possibly contribute to hair loss diabetes cases, according to the research titled GLP-1 agonists and hair loss: a call for further investigation by Desai et al., 2024. The study emphasized the need to understand how treatments impact hair growth and follicle health.

Is diabetes hair loss permanent? Yes, diabetes hair loss is permanent when hair follicles become damaged from long-term high blood sugar or poor circulation. Chronic inflammation and autoimmune attacks prevent follicles from growing new hair. Regrowth does not occur even with treatment in advanced cases.

How Common Is Diabetes Hair Loss?

Diabetes hair loss is common, with research showing that type 2 diabetes increased the risk of central scalp hair loss by about 68% among over 5,300 African-American women in the U.S. Risk climbed to over 2-fold for patients with diabetes lasting a decade or more. The study found women diagnosed before age 50 showed stronger links than patients diagnosed later, suggesting younger adults with long-standing diabetes are vulnerable.

Reports from the National Institutes of Health (NIH) show that hair loss and diabetes impact sexes (Female, Male), but much research focuses on women’s scalp patterns. Data do not indicate a strong difference between men and women once diabetes is present. Children with diabetes show rare cases, making adults (aged 30-60) the most affected. Women with severe central hair loss had a higher prevalence of type 2 diabetes (17.6%) compared to patients without severe hair loss. Overall prevalence estimates range from about 5% in mild hair thinning to nearly 16% in severe scalp hair loss in that group.

Which Type of Diabetes Is More Likely to Cause Hair Thinning?

Type 2 diabetes is more likely to cause hair thinning compared to type 1 diabetes. The risk of hair thinning in type 2 diabetes is due to factors (insulin resistance, poor blood sugar regulation), and the long-term complications (poor circulation). The factors contribute to inflammation and the shortening of the hair growth phase, leading to thinning. Type 1 diabetes affects younger patients and is more related to autoimmune factors and the body’s difficulty managing insulin, which has the same direct impact on hair thinning.

Type 2 diabetes is more common with hair thinning compared to type 1 diabetes, according to the research titled Comorbidities of Primary Scarring Alopecias: A Retrospective Multi-Site Cross-Sectional Study by Hurtado et al., 2025. The study observed that patients with type 2 diabetes, who had poorly controlled blood sugar levels, experienced higher rates of hair loss and central scalp thinning. The research supports the idea that diabetes-induced hair loss is more likely in type 2 diabetes due to the chronic effects of elevated blood sugar and other related health complications.

Should People with Type 1 Diabetes Worry About Hair Loss?

No, people with Type 1 Diabetes should not worry about hair loss. Type 1 Diabetes hair loss occurs due to the body’s autoimmune responses, while hair loss is not as common in type 1 diabetes as in type 2. The body attacks its hair follicles in type 1 diabetes, leading to hair loss, thinning, or shedding. There are cases where an underlying condition (alopecia areata), which is a known autoimmune disorder, exists. Patients with type 1 diabetes do not experience widespread hair loss solely due to the condition.

Hair loss in type 1 diabetes is less common and is related to poor blood sugar control, stress, or other health issues. Hair thinning occurs in patients, while managing diabetes effectively reduces the risk. Proper management of blood glucose levels, maintaining a healthy diet, and reducing stress help prevent hair loss. It is manageable and reversible with appropriate treatment and attention to overall health, if hair loss does occur.

When Does Hair Loss Typically Start in Type 2 Diabetes?

Hair loss typically starts in type 2 diabetes when blood sugar levels remain poorly controlled over time. The onset of hair thinning or shedding occurs in patients who have experienced high blood sugar for a few years. The prolonged exposure leads to impaired circulation, restricting the flow of oxygen and nutrients to the hair follicles, which weakens them and causes shedding. The condition becomes more noticeable as diabetes progresses.  Type 2 diabetes hair loss occurs when the disease is not well managed.

Type 2 diabetes is more prone to hair loss compared to type 1 diabetes due to the chronic effects of insulin resistance, a key feature of type 2. The early signs of hair loss in type 2 diabetics include gradual thinning, along the crown or temples, and increased shedding, after washing or brushing the hair. Other early indicators include patchy bald spots or the slow regrowth of hair after it falls out. Type 2 diabetes was strongly associated with central-scalp hair loss in African American women, according to the research titled Association of type 2 diabetes with central-scalp hair loss in an extensive study of African American women by Coogan et al., 2019. The study found that patients with poorly controlled type 2 diabetes were at a higher risk of developing hair thinning around the central scalp area. Managing blood glucose levels effectively helps prevent or slow the progression of hair loss.

Can Hair Thinning Occur in the Early Stages of Prediabetes?

Yes, hair thinning can occur in the early stages of prediabetes. Blood sugar levels start to fluctuate as insulin resistance begins to develop, which indirectly impacts hair follicles. Prediabetic hair loss is not immediately noticeable in the early stages of prediabetes, but changes occur due to the body’s difficulty managing insulin. Insulin resistance leads to poor circulation, which reduces the supply of oxygen and nutrients to the hair follicles, weakening them and causing thinning or shedding. The hormonal imbalances caused by fluctuating blood sugar levels disrupt the natural hair growth cycle, contributing to early signs of hair thinning.

Prediabetes is a condition where blood sugar levels are elevated but not yet high enough to be classified as diabetes. Prediabetes is a stage for patients to experience thinning hair, but hair loss is not a direct symptom of prediabetes. The body’s increased inflammation, poor circulation, and rising blood sugar levels all affect hair health even before a diabetes diagnosis is made. Prediabetes progresses into type 2 diabetes, where hair loss becomes more noticeable, if left unchecked. Early management of blood sugar levels and overall health reduces the risk of prediabetes hair loss from becoming a more serious problem.

What Are the Reasons for Scalp Itching in Diabetic Patients?

The reasons for scalp itching in diabetic patients are typically due to xerosis, poor blood sugar control, and diabetic neuropathy. Xerosis, or skin dryness, is a common issue in diabetics, leading to irritation and itching on the scalp. Uncontrolled blood sugar levels impair circulation, reducing the skin’s ability to receive essential nutrients and moisture, contributing to dryness. The nerve damage caused by diabetes, known as diabetic neuropathy, causes sensations of itching or tingling on the scalp. The combined factors make diabetes and itchy scalp a frequent concern for diabetic patients.

Diabetes itchy scalp is commonly reported among patients with diabetes, as they experience scalp irritation due to the underlying issues. 30% of diabetic patients report experiencing itchy scalp diabetes due to xerosis and poor circulation, according to the research titled Diabetes and pruritus of the scalp by Scribner et al., 1977. Managing blood glucose levels effectively and using proper skin care methods help reduce the frequency and intensity of scalp itching in patients with diabetes and an itchy scalp.

Can Scratching an Itchy Scalp in Diabetes Worsen Skin Health or Lead to Scalp Sores?

Yes, scratching an itchy scalp in diabetes can worsen skin health or lead to scalp sores. Scratching irritates and damages the skin’s protective barrier, increasing the risk of infection and inflammation. It is problematic because high blood sugar weakens the immune system, in patients with diabetes itchy scalp, making it harder for the body to heal skin damage. Scratching increases the risk of diabetic scalp sores, which develop into open wounds or infections if left untreated.

Scratching the scalp is a common reaction to discomfort, but it severely damages the skin in diabetics who have impaired circulation and slow wound healing. Patients with neuropathic conditions found in diabetes experience an abnormal sensation on the scalp that leads to scratching. The scratching action leads to diabetic scalp sores, worsening the irritation and potentially causing infections. Managing an itchy scalp effectively with proper skincare helps reduce the urge to scratch and prevent complications.

How Does Insulin Medication for Diabetics Affect Hair Growth?

Insulin medication for diabetics affects hair growth through regulating blood sugar and stimulating hair follicle activity. Insulin hair loss is not directly caused by insulin. Poorly controlled diabetes damages blood vessels and disrupts hair growth. Insulin plays a role in cell growth and helps hair follicles regenerate. It improves blood sugar regulation and restores normal hair growth in patients experiencing hair loss due to poor glycemic control, when diabetes is well-managed with insulin therapy.

Insulin’s impact on hair growth is tied to its ability to regulate circulation and hormone levels. Proper insulin levels help maintain healthy blood flow to the scalp, ensuring that hair follicles receive the nutrients and oxygen required for growth. Inadequate insulin or poorly controlled diabetes leads to decreased circulation, impairing hair growth and potentially leading to hair thinning or loss. Insulin therapy has shown positive effects in reversing hair loss in patients with uncontrolled type 2 diabetes, according to the research titled Reversal of alopecia by insulin therapy in uncontrolled type 2 DM: A case report by Kant et al., 2021. The study highlights how effective glycemic control through insulin therapy helps restore hair growth by improving blood flow and follicle health, which addresses hair loss due to medication.

How to Stop Hair Loss from Diabetes

To stop Hair Loss from Diabetes, follow the ten steps listed below. 

1. Control Blood Sugar Levels. Stabilize blood sugar to prevent damage to hair follicles and improve circulation. Proper blood sugar management stops hair loss with a 60-70% success rate. Visible improvements in hair growth appear within 3–6 months with consistent blood sugar control.
2. Use Topical Minoxidil. Apply minoxidil directly to the scalp to increase blood flow and stimulate hair follicles. Minoxidil offers a 40-60% success rate in encouraging hair regrowth, with visible results in 2–4 months. Use it consistently for at least 6 months to achieve the best results.
3. Implement Insulin Therapy. Administer insulin to regulate blood sugar and improve circulation to the scalp. Insulin therapy has a 50-70% success rate in reversing hair thinning when blood sugar is effectively controlled. Patients expect improvements in hair growth within 3–6 months with proper insulin management.
4. Take Biotin Supplements. Incorporate biotin into the routine to strengthen hair and promote regrowth. Biotin supplements have a 30-40% success rate in improving hair health, with visible results within 3–6 months. It is effective when vitamin deficiencies cause hair thinning.
5. Address Nutritional Deficiencies. Correct nutritional imbalances by adding essential vitamins and minerals (zinc and iron). Addressing deficiencies leads to a 50-60% success rate in reducing hair thinning and stimulating regrowth, with results visible within 2–3 months. Correcting deficiencies is essential when hair loss continues despite other treatments.
6. Reduce Stress. Manage stress levels through exercise or relaxation techniques to lower cortisol, which affects hair health. Stress management offers a 50-70% success rate in reducing hair thinning. Noticeable results appear within 2–3 months if stress is contributing to hair loss.
7. Use Gentle Scalp Treatments. Apply mild, moisturizing shampoos and conditioners to hydrate and protect the scalp. Scalp treatments improve scalp health with a success rate of 60-70%, showing results within 2–4 weeks. The treatments are required when the scalp becomes dry or irritated due to diabetes.
8. Apply Natural Oils. Massage coconut, argan, or jojoba oils into the scalp to nourish hair follicles and prevent dryness. Natural oils provide 40-50% improvement in scalp health, with visible benefits in 4-6 weeks. The oils are effective when the scalp is dry or flaky, but conditions worsen in patients with diabetes.
9. Explore Hair Growth Medications. Use medications (finasteride or spironolactone) to block hormones that contribute to hair thinning. The medications have a success rate of 60-70% in reducing hair loss and promoting regrowth, with results seen within 3–6 months. The treatments are required when hormonal imbalances from diabetes cause hair loss.
10. Consult a Dermatologist or Endocrinologist. Schedule an appointment with a specialist to identify the underlying cause of hair loss and receive a treatment plan. Professional care shows a high success rate, with improvements visible in 3–6 months. Consult a specialist when over-the-counter treatments fail or when hair loss becomes severe. 

What Are the Best Shampoos for Diabetes Hair Loss?

The best Shampoos for Diabetes Hair Loss are listed below. 

1. Nioxin System 2 Cleanser Shampoo: Nioxin is a shampoo for diabetics that strengthens hair and improves scalp health. It cleanses the scalp, removing impurities that clog follicles, and promotes healthy hair growth. The Nioxin is effective for diabetic patients as it stimulates circulation and encourages follicle function.
2. Pura D’or Original Gold Label Anti-Hair Thinning Shampoo: Pura D’or helps reduce hair thinning with natural ingredients (biotin and nettle extract). It nourishes the scalp and strengthens hair follicles, which is essential for diabetics facing hair loss. The Pura D’or hydrates the scalp, providing a healthier environment for hair to grow.
3. ArtNaturals Argan Oil Shampoo: ArtNaturals is the best shampoo for diabetics dealing with dry and thinning hair. Infused with argan oil, it moisturizes the scalp and reduces irritation, which helps prevent further hair loss. The formula hydrates the scalp, promoting a healthy environment for follicle growth.
4. Head & Shoulders Clinical Strength Shampoo: Head & Shoulders Clinical Strength is designed to target dandruff and scalp dryness, which are common issues for diabetics. It reduces flaking and soothes the scalp, creating an optimal environment for hair growth. The shampoo helps manage scalp irritation, which leads to hair thinning.
5. Maple Holistics Biotin Shampoo: Maple Holistics Biotin Shampoo uses biotin and other nourishing ingredients to strengthen hair follicles. It is formulated to prevent thinning hair and promote growth, which is beneficial for diabetic patients. Regular use helps address dryness and supports healthy, thicker hair.
6. Ultrax Labs Hair Surge Shampoo: Ultrax Labs Hair Surge contains caffeine and ketoconazole to stimulate hair follicles and improve scalp circulation. The shampoo helps restore blood flow to the scalp, for diabetics, promoting healthier hair growth. It is effective in preventing hair thinning and stimulating regrowth.
7. OGX Thick & Full Biotin & Collagen Shampoo: OGX Thick & Full Shampoo is enriched with biotin and collagen to improve hair volume and strength. It is ideal for dealing with thinning hair, helping to plump and fortify each strand. The OGX Thick & Full hydrates the scalp and supports healthy hair growth while reducing dryness.
8. Neutrogena T/Gel Therapeutic Shampoo: Neutrogena T/Gel Therapeutic Shampoo is used to treat scalp conditions like dandruff and seborrheic dermatitis, which are common in diabetics. The coal tar in the shampoo helps relieve itching and flaking, which supports a healthier scalp environment. It prevents hair loss by addressing underlying scalp issues.
9. Viviscal Gorgeous Growth Densifying Shampoo: Viviscal Gorgeous Growth Shampoo is packed with biotin, zinc, and keratin to support hair regrowth. It is ideal for diabetics looking to combat thinning hair, improve follicle health, and encourage thicker growth. The shampoo strengthens hair and promotes scalp health, creating an optimal environment for regrowth.
10. Hims Max Volume Shampoo: Hims Max Volume Shampoo for Hair Loss is formulated with saw palmetto and caffeine to help block the hormone responsible for hair loss and stimulate the scalp. It is effective in addressing poor circulation and hormonal imbalances. Regular use reduces hair thinning and promotes healthier hair growth.

How Effective Is Hair Transplant for Treating Diabetes Permanent Hair Loss?

Hair Transplant for Treating Diabetes Permanent Hair Loss is effective through its ability to restore hair in areas affected by prolonged hair loss. Diabetes-related hair loss is often temporary, but in some cases, it becomes permanent when poor blood sugar control and medication damage hair follicles. Hair transplant is one of the solutions for permanent hair loss, particularly after medication-related hair loss has stabilized. Hair transplants become a viable option for regrowing hair in affected areas, once hair loss from medication or radiation treatment has plateaued.

A hair transplant is recommended for radiation-related hair loss when the scalp has healed and hair growth has ceased due to permanent follicle damage. One of the key benefits of choosing Turkey for hair restoration is the combination of skilled surgeons and cost-effective treatment. Getting a Hair Transplant is increasingly popular due to its affordability and high-quality procedures in Turkey. Vera Clinic stands out as the best hair transplant clinic in Turkey, offering state-of-the-art facilities and excellent care for patients seeking permanent solutions for hair loss.

What to Expect Before and After a Hair Transplant for Diabetes Hair Loss

Expect a consultation for grafts before and a healing period after a Hair Transplant for Diabetes Hair Loss. Patients undergo an assessment where the doctor evaluates the level of hair loss and determines if a transplant is the best solution before the procedure. The doctor examines the scalp, reviews any health conditions, and ensures the hair loss from diabetes has stabilized. Patients are instructed to stop medications or follow special scalp care instructions before the procedure.

Swelling and redness are normal but must subside within a few days after the transplant. It is essential to follow the recovery instructions, including avoiding touching or scratching the treated areas. Scabbing occurs, and shedding of hair is a part of the process as new hair follicles start to grow. It takes a few months for the latest hair to grow thicker and blend with existing hair. The complete healing and growth process is part of the Hair Transplant Before and After experience.

When to See a Dermatologist for Hair Loss due to Diabetes

See a Dermatologist for Hair Loss due to Diabetes when experiencing severe symptoms (noticeable thinning, bald patches on the scalp, excessive shedding of hair) or when hair loss persists despite controlling blood sugar levels. Symptoms are signs that medical attention is needed, an itchy scalp, inflammation, or the development of sores. Seek professional help if hair loss is accompanied by other symptoms (changes in skin texture or the appearance of nails).

A dermatologist helps diagnose the underlying causes of hair loss related to diabetes and recommends effective treatments. A dermatologist refers a patient to a Hair Transplant Consultation to explore options for regrowing hair. Early intervention prevents hair thinning and addresses scalp conditions before they worsen.

How Diabetes Hair Loss Diagnosed?

Diabetes hair loss is diagnosed by assessing the patient’s medical history and conducting a physical examination of the scalp. The doctor performs blood tests to evaluate blood sugar control and rule out other potential causes of hair loss. A scalp biopsy is performed to check for damage to hair follicles caused by diabetes or other underlying conditions.

How to Prevent Hair Loss when You Have Diabetes

To prevent Hair Loss when you have Diabetes, follow the ten steps listed below.

1. Regulate Blood Sugar. Maintaining controlled blood sugar levels helps protect hair follicles from damage. Insulin therapy helped reverse alopecia in patients with poorly controlled type 2 diabetes, according to the research titled Reversal of alopecia by insulin therapy in uncontrolled type 2 DM: A case report, by Kant et al., 2021.
2. Eat a Balanced Diet. Consuming a nutrient-rich diet supports healthy hair growth. Foods that are high in biotin, zinc, and iron are essential for maintaining strong and resilient hair for patients with diabetes.
3. Reduce Stress. Engaging in stress-reducing activities such as meditation or yoga helps lower cortisol levels. Patients prevent the negative impact of hair thinning and overall hair health by minimizing stress.
4. Use Mild Hair Care Products. Choosing gentle, sulfate-free shampoos and conditioners prevents scalp irritation. The products help protect the scalp and maintain healthy hair.
5. Stimulate the Scalp. Regular scalp massages improve blood flow to the hair follicles. It increases circulation and delivers more nutrients to the scalp, stimulating hair growth and preventing hair loss.
6. Take Essential Supplements. Buy supplements (biotin, omega-3 fatty acids, and vitamin D) to help strengthen hair. The nutrients are beneficial for patients with diabetes who experience thinning hair.
7. Avoid Pulling Hairstyles. Refrain from pulling hair into tight hairstyles (braids or ponytails), as it reduces strain on the hair follicles. Loose hairstyles prevent hair breakage and minimize the risk of traction alopecia.
8. Keep the Scalp Moisturized. Apply natural oils (coconut or olive oil) to the scalp keep it hydrated. Hydrated scalps are less prone to dryness, which contributes to hair thinning and breakage in diabetics.
9. Stay Active. Regular physical activity helps improve circulation and insulin sensitivity. Exercise supports healthier hair follicles and prevents hair loss due to poor circulation by promoting blood flow to the scalp.
10. Discuss Medication Adjustments. Consult a doctor about medication options that are essential if hair loss is linked to diabetes treatments. Adjusting medications reduces the likelihood of hair thinning caused by side effects of diabetic medications. 

What Are the Diabetes Medications Commonly Causing Hair Loss?

The Diabetes Medications commonly causing Hair Loss are listed below.

• Ozempic Hair Loss: Ozempic (semaglutide) is a medication used to treat type 2 diabetes and assist in weight loss. Ozempic causes rapid weight loss, which leads to telogen effluvium, a condition where hair enters the shedding phase prematurely. The glucagon-like peptide-1(GLP-1) receptor of Ozempic Hair Loss has been associated with an increased risk of hair loss in women due to the rapid weight reduction they induce, according to the research titled Dermatologic Implications of GLP-1 Receptor Agonist Medications: A Comprehensive Review, by Burke et al., 2025. 
• Tirzepatide Hair Loss: Tirzepatide is a dual GIP and GLP-1 receptor agonist used for type 2 diabetes and obesity management. The Tirzepatide Hair Loss induces rapid weight loss, triggering telogen effluvium and potential nutritional deficiencies that contribute to hair shedding. Tirzepatide use has been associated with an increase in hair loss among patients who experienced weight loss in treatment, according to the research titled Exploring the hair loss risk in glucagon‐like peptide‐1 agonists: Emerging concerns and clinical implications, by Buontempo & Santos, 2025.
• Mounjaro Hair Loss: Mounjaro is the brand name for tirzepatide, used for managing type 2 diabetes and weight loss. The medications of Mounjaro Hair loss lead to hair shedding through telogen effluvium. Mounjaro (tirzepatide) has been linked to hair loss in 5% of patients, with a higher incidence observed among females experiencing weight loss, according to the research titled Integrative and Mechanistic Approach to the Hair Growth Cycle and Hair Loss, by Natarelli et al., 2023.
• Metformin Hair Loss: Metformin is a widely used medication for controlling blood sugar in type 2 diabetes. Metformin leads to hair thinning due to vitamin B12 deficiency, which disrupts normal hair growth. The use of Metformin Hair loss has been linked to vitamin B12 deficiency, which contributes to hair loss in patients with central centrifugal cicatricial alopecia, according to the research titled Low-Dose Metformin and Profibrotic Signature in Central Centrifugal Cicatricial Alopecia, by Bao et al., 2024.