Have you heard about ashwagandha for hair growth and wonder if it’s right for you? This ancient Ayurvedic herb is known for its ability to reduce stress, balance hormones, and support overall wellness—all of which can influence the health of your hair.
As interest grows in natural alternatives and complementary therapies, ashwagandha has been gaining interest among those dealing with shedding or thinning.
Before you decide to try it, let’s explore in detail what ashwagandha is, how it works, its benefits for hair, its limitations, and how it can fit into a dermatologist-approved approach to hair care.
What Is Ashwagandha?
Ashwagandha (Withania somnifera) is an adaptogenic herb traditionally used in Ayurvedic medicine for over 3,000 years. Often referred to as “Indian ginseng,” it helps the body adapt to physical and emotional stress by supporting the adrenal glands and modulating cortisol levels.
Ashwagandha contains bioactive compounds such as withanolides, alkaloids, and saponins, which contribute to its anti-inflammatory, antioxidant, and neuroprotective properties.
Commonly used to reduce anxiety, support immune function, enhance energy levels, and improve sleep quality, it is typically taken as a capsule, powder, or extract.
How Ashwagandha May Support Hair Growth
Ashwagandha may support hair growth by targeting key physiological processes linked to hair loss, such as chronic stress, inflammation, and hormonal imbalances. Its adaptogenic properties help regulate cortisol levels, which can reduce stress-induced shedding.
Additionally, ashwagandha contains antioxidants that combat oxidative stress, a factor that can weaken hair follicles and impair growth.
It may also influence thyroid and androgen levels, which impact hair cycling. It is also believed to help relax blood vessels, which can improve circulation to the scalp.
While not a primary hair loss treatment, ashwagandha may contribute to a healthier scalp environment and improved follicular function.
Ashwagandha's Effects on Stress and Hormones Related to Hair Loss
Chronic stress elevates cortisol, which can disrupt the hair growth cycle and lead to increased shedding, particularly in telogen effluvium. Ashwagandha has been shown to lower cortisol levels and support adrenal function, potentially restoring hormonal balance.
It may also modulate the hypothalamic-pituitary-adrenal (HPA) axis, helping to stabilize hormone fluctuations that affect hair health. By reducing the physiological toll of stress, ashwagandha may help protect hair follicles from premature regression.
Can Ashwagandha Help With Hair Loss or Thinning?
While clinical evidence is still emerging, ashwagandha may help with certain types of hair loss, especially those linked to stress, hormonal imbalances, or inflammation.
It may benefit individuals with stress-related shedding or thyroid-related thinning, thanks to its adaptogenic and anti-inflammatory effects. However, it is unlikely to reverse hair loss caused by genetic factors such as androgenetic alopecia.
When used alongside proven treatments, it may complement overall hair wellness but should not be viewed as a standalone solution for regrowth.
Ways To Use Ashwagandha for Hair Growth
Getting the most out of ashwagandha for hair growth requires understanding the different ways to use it. Each method has advantages, and the best approach often depends on your specific needs and preferences.
Whether you're drawn to the convenience of supplements or prefer hands-on topical treatments, there's an ashwagandha application method that can fit seamlessly into your routine.

Oral Supplements vs. Topical Ashwagandha for Hair
Oral ashwagandha supplements offer systemic benefits that go beyond just hair health. When you take ashwagandha internally, it works throughout your body to reduce stress, balance hormones, and improve overall wellness.
This holistic approach can lead to improvements in hair growth as a natural result of better health.
Typical oral doses range from 300–600 mg of standardized extract daily, though 1,000 mg doses are thought to be safe.
Capsules and tablets provide consistent dosing, while powders offer flexibility in how you consume them. You can mix ashwagandha powder into smoothies, warm milk, or even your morning coffee.
If you opt for supplements containing ashwagandha, take them consistently at the same time each day, preferably with food to improve absorption.
Topical applications target the scalp directly. Creating an ashwagandha hair mask is simple: mix 2–3 tablespoons of ashwagandha powder with enough warm water or oil to form a paste.
Apply the mixture to your scalp, leave for 30–45 minutes, then wash out. Some people add ingredients like honey or yogurt for additional benefits.
When using ashwagandha topically, start with once-weekly applications to see how your scalp responds. You can gradually increase to twice weekly if well-tolerated.
Happy Head’s new Hair Serum, developed by dermatologists, contains ashwagandha, saw palmetto, seabuckthorn, argan oil, and rosemary oil, as well as powerful biomimetic actives to soothe irritation and promote natural regrowth. No prescription needed!
Recommended Dosage and Safety Precautions
The optimal ashwagandha dosage for hair growth typically falls between 300 and 600 mg of standardized extract containing 5% withanolides. This concentration ensures you're getting enough active compounds to see benefits.
If using raw powder, doses of 3–6 grams daily are common.
Timing matters. Taking ashwagandha with meals can reduce the chance of stomach upset. Some people prefer taking it at night since it can have calming effects that support better sleep. Others find morning doses help them manage daytime stress more effectively.
Safety-wise, ashwagandha is generally well-tolerated, but it's not for everyone. Pregnant and breastfeeding women should avoid it. Those with autoimmune conditions or taking thyroid medications should consult their healthcare provider first.
Start with lower doses and gradually increase to assess your tolerance.
Potential Side Effects
Most side effects are mild and include digestive issues such as upset stomach or diarrhea, especially when taken on an empty stomach.
Some people experience drowsiness, which is why many prefer taking it before bed. Headaches, dizziness, and allergic reactions have been reported but are relatively uncommon.
Who Should Avoid Ashwagandha for Hair Growth
Certain groups should exercise caution or avoid ashwagandha entirely. Those with autoimmune diseases such as rheumatoid arthritis, lupus, or multiple sclerosis might experience worsened symptoms since ashwagandha can stimulate the immune system.
People scheduled for surgery should stop taking ashwagandha at least two weeks beforehand, as it may interfere with anesthesia.
Ashwagandha can enhance the effects of sedatives and anti-anxiety medications. It may also interact with thyroid medications, potentially requiring dose adjustments.
If you're taking immunosuppressants, blood pressure medications, or diabetes drugs, consult your doctor before adding ashwagandha to your routine.
Ashwagandha Compared to Other Natural Hair Loss Remedies
Several natural remedies are commonly used to support hair growth, each working through different mechanisms.
- Rosemary oil is applied topically to improve scalp circulation and has shown promise in stimulating hair follicles.
- Peppermint oil offers similar benefits but with a cooling effect that enhances blood flow.
- Saw palmetto and pumpkin seed oil are oral supplements thought to inhibit DHT, the hormone linked to androgenetic alopecia, making them potentially more targeted than ashwagandha for hormone-driven hair loss.
- Aloe vera, while not a growth stimulant, soothes the scalp and reduces inflammation.
- Biotin, another popular supplement, supports keratin production but is mainly beneficial in cases of deficiency.
Ashwagandha stands out by addressing systemic issues such as stress, inflammation, and hormonal imbalance. It may be less direct than topical remedies but can offer broader internal support, especially when combined with other evidence-based treatments.
Proven Treatments for Hair Growth
While natural remedies like ashwagandha may offer supportive benefits, evidence-based treatments remain the gold standard for addressing significant or progressive hair loss.
Dermatologists often recommend the following options based on the underlying cause and hair loss severity:

- Minoxidil: Minoxidil products, available over the counter and by prescription in higher strengths, stimulate hair follicles and prolong the growth phase.
- Finasteride: Finasteride prescription products are a DHT blocker used in men to slow or reverse androgenetic alopecia.
- Dutasteride: Dutasteride products are a more potent alternative to finasteride, sometimes prescribed off-label for hair loss.
- Spironolactone: Spironolactone prescription products are an antiandrogen often used in women to reduce DHT-related thinning.
- PRP Therapy: Platelet-rich plasma therapy involves injecting platelet-rich plasma into the scalp to encourage follicle regeneration.
- LLLT (Low-Level Laser Therapy): LLLT uses red light to stimulate follicle activity and improve hair density.
- Hair Transplants: This surgical procedure relocates follicles for permanent restoration in areas of advanced loss.
Complementary Treatments To Promote Hair Growth
In addition to medical therapies, several complementary approaches can help create an optimal environment for healthy hair growth. These strategies are especially valuable when addressing stress-related or inflammatory hair loss and can enhance the results of proven treatments:
- Nutritional Improvements: A balanced diet rich in iron, zinc, vitamin D, and protein supports follicle function.
- Stress Management: Practices such as yoga, meditation, and adequate sleep can reduce cortisol levels and prevent stress-induced shedding.
- Scalp Massage: Increases circulation and may improve nutrient delivery to hair follicles.
- Dermarolling or Microneedling: Stimulates collagen production and enhances topical treatment absorption.
- Gentle Hair Care: Avoiding heat, harsh chemicals, and tight styles reduces breakage and traction-related hair loss.
- Hydration and Scalp Health: Proper hydration and occasional use of anti-inflammatory oils can promote a balanced scalp environment.
Using Ashwagandha for Hair Growth: Is It Worth It?
Ashwagandha may be a helpful addition to a holistic hair care plan, especially for individuals experiencing hair loss linked to stress, inflammation, or hormonal imbalances.
While it’s not a substitute for proven medical treatments, its adaptogenic and antioxidant properties can support overall scalp health and potentially reduce shedding. Those with chronic stress or adrenal fatigue may find added wellness benefits beyond hair.
However, results can vary, and it’s not likely to reverse genetic hair loss on its own. If you're considering it, consult with your dermatologist, especially if you’re taking other medications or have health conditions.
Using ashwagandha for hair growth can complement other treatments to create a comprehensive hair growth plan and may be worthwhile for certain people.
Talk to a board-certified dermatologist to discuss your goals and find the solution that is best for you.
Frequently Asked Questions
Does ashwagandha cause facial hair growth?
Ashwagandha is not known to cause facial hair growth. While it may help balance hormones and reduce stress-factors influencing hair health, there’s no clinical evidence linking ashwagandha to increased facial hair growth in women or men.
How long does it take for ashwagandha to work for hair?
Results from ashwagandha may take 8 to 12 weeks, depending on the individual. Its potential hair benefits are indirect, working through stress reduction, hormonal balance, and anti-inflammatory effects, and consistent use over time is required to show visible improvement.
Does ashwagandha make hair thicker?
Ashwagandha may help improve hair thickness in some individuals by reducing cortisol levels, improving scalp circulation, and supporting hormonal balance. However, scientific evidence is limited, and results can vary widely based on the underlying cause of thinning.
Can ashwagandha block DHT?
Preliminary research suggests ashwagandha may help regulate androgen levels, but it is not a proven DHT blocker like finasteride. Its indirect hormonal effects may support hair health, but it should not be relied upon as a primary treatment for androgenetic alopecia.