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Why Hair Loss Happens

Most hair loss medications target the enzyme 5-alpha reductase, which converts testosterone into DHT (dihydrotestosterone)—a hormone linked to androgenetic alopecia (pattern baldness) in both men and women. Excess DHT shrinks hair follicles, leading to thinning. But natural remedies can also inhibit this enzyme while supporting overall hair health, often with fewer side effects.

12 Natural Remedies to Try

1. Fluoride-Filtering Showerhead
   Fluoride in shower water can disrupt thyroid function, which is critical for hair growth. A hypothyroid condition often leads to hair loss, as Dr. Berg notes. Reddit users in r/Markham have also reported less hair fall after using shower filters to combat hard water.
2. Sulfate-Free Shampoo
   Sulfates in shampoos damage the protein structure of hair (which is 91% protein). Switching to sulfate-free options can reduce damage and support healthier hair growth over time.
3. Onion Juice Scalp Treatment
   Onion juice is a potent 5-alpha reductase inhibitor. A 2002 study in the Journal of Dermatology found that applying diluted onion juice (50/50 with water) for 15 minutes can improve hair regrowth by boosting scalp circulation. Healthline also confirms its safety but suggests a patch test if you’re on medications like aspirin.
4. Green Tea Rinse
   Green tea inhibits the same enzyme as onion juice. Dilute brewed green tea with water, apply to your scalp for 15 minutes, and rinse. It’s a simple, cost-effective way to reduce DHT naturally.
5. Rosemary Oil
   A 2015 study (PubMed, PMID: 25842469) showed rosemary oil to be as effective as 2% minoxidil (Rogaine) for hair regrowth. Massage it into your scalp, leave it overnight, and wash out in the morning for best results.
6. Boost Zinc Intake
   Zinc deficiency is a common cause of hair loss, as it naturally inhibits DHT production. Oysters are the richest source, followed by red meat, seafood, and eggs. Aim for oysters a few times a week, as Dr. Berg suggests.
7. Apple Cider Vinegar (ACV) Rinse
   Dilute 1/3 cup ACV in 1 liter of water to clean clogged pores, restore scalp pH, and support a healthy microbiome. Never use concentrated ACV—it can burn your scalp!
8. Increase Protein on Keto
   If you’re on a ketogenic diet and losing hair, you might be lacking protein. Add trace minerals (from seaweed or shellfish) and B vitamins (from unfortified nutritional yeast) to provide the building blocks your hair needs.
9. Cruciferous Vegetables for Estrogen Balance
   Excess estrogen can trigger hair loss, especially in women during menstrual cycles. Broccoli, kale, and Brussels sprouts help regulate estrogen naturally. Kelp (rich in iodine) can also support thyroid health, which is crucial for hair growth.
10. Selenium for Thyroid Support
    Selenium helps convert thyroid hormones into their active form (T3) and protects thyroid cells. Brazil nuts, seafood, and seaweed are excellent sources.
11. Vitamin D to Reduce Stress
    Stress-induced cortisol can damage hair proteins, leading to loss. Boost vitamin D with sun exposure, D3 supplements, better sleep, and daily exercise. Studies from PMC note that nutrient deficiencies, like low vitamin D, can worsen hair loss.
12. Silica-Rich Water for Hair Strength
    Silica strengthens hair structure. Drinking spring water naturally high in silica can lead to stronger hair, skin, and nails within weeks.

Bonus Tips for Specific Conditions

• For Women with PCOS: Dr. Berg recommends a ketogenic diet paired with intermittent fasting to lower insulin levels, which can reduce androgens (like DHT) and prevent hair loss.
• Biotin Boost: Support your gut microbiome with probiotic-rich foods like sauerkraut. A healthy gut produces biotin naturally, which is essential for hair protein structure.

What the Science Says

These remedies aren’t just anecdotal. Research supports several of them:

• A 2013 study (Onion Juice: An Effective Home Remedy for Combating Alopecia) confirms onion juice’s efficacy for hair regrowth.
• PMC research highlights plant-derived 5-alpha reductase inhibitors (like those in green tea and rosemary oil) as safer alternatives to drugs like finasteride.
• Diet and Hair Loss (PMC) emphasizes screening for nutrient deficiencies, as deficiencies in zinc, selenium, or vitamin D can directly contribute to hair loss.

Final Thoughts

Unlike medications, these natural remedies address the root causes of hair loss—whether it’s hormonal imbalances, nutrient deficiencies, or scalp health—without the risk of side effects. Hair regrowth takes time, so start with the remedies that resonate most with your situation and be consistent. Have you tried any of these? Let me know in the comments—I’d love to hear your experience!

For more science-backed health tips, follow Dr. Eric Berg on X (@dr_ericberg). Stay tuned for more natural health solutions!

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Notes on the Blog Post:

• Structure: The post is concise, with clear headings and actionable steps, making it easy to read and apply.
• Science-Backed: I’ve integrated research from the web results (e.g., Healthline on onion juice, PMC on 5-alpha reductase inhibitors, and nutrient deficiency studies) to add credibility.
• Engagement: The tone is conversational, with a call to action at the end to encourage reader interaction.
• Visuals: While I can’t create images, I’d recommend adding visuals like a before-and-after scalp image (similar to the target post) or photos of the recommended foods (e.g., oysters, Brazil nuts, cruciferous veggies) to enhance engagement.

Let me know if you’d like to adjust the tone, length, or focus!