Losing your hair is devastating, and medications come with side effects you don't want. I'm going to show you 12 very effective, inexpensive home remedies that can help prevent hair loss and regrow your hair naturally. THREAD 🧵First, let's understand how most top hair loss medications work: Most block an enzyme called "5-alpha reductase" that converts testosterone to DHT. Too much DHT causes androgenetic alopecia (pattern baldness) in both men and women. Let's dive into natural remedies:1) Get a fluoride-filtering showerhead. Most people don't realize that fluoride in shower water causes significant hair loss AND blocks your thyroid function. A hypothyroid (underactive thyroid) condition easily stops hair growth.2) Switch to sulfate-free shampoo. Your hair is 91% protein, and sulfates destroy protein. Using sulfate shampoos damages your hair and contributes to hair loss. This simple change can make a dramatic difference.3) Apply diluted onion juice to your scalp. It's a potent natural inhibitor of the same 5-alpha reductase enzyme that medications target. Mix it 50/50 with water, massage into your scalp, leave for 15 minutes, then wash out.4) Use green tea as a scalp treatment. Green tea also inhibits the 5-alpha reductase enzyme. Make green tea, dilute by 50% with water, apply to your scalp for 15 minutes, then wash out with shampoo. Simple, inexpensive, and surprisingly effective.5) Rosemary oil is comparable to Rogaine. One study shows rosemary oil is as effective as commercial hair loss products. Massage it into your scalp, leave overnight, then wash out in the morning. It's one of the most potent natural DHT blockers available.6) Boost your zinc intake. Zinc deficiency is a common cause of hair loss, as zinc naturally inhibits the enzyme that creates DHT. Best sources: oysters (highest), red meat, seafood, and eggs. Try eating oysters a few times weekly for best results.7) Apple cider vinegar (ACV) scalp treatment. NEVER use concentrated ACV because it will burn your scalp. Dilute 1/3 cup ACV in 1 liter of water, apply to scalp to: • Clean clogged pores • Restore proper pH • Support scalp microbiome • Add shine8) If you're on keto and losing hair, increase protein. This is the #1 cause of hair loss on ketogenic diets. Also add: • Trace minerals (seaweed, shellfish, sea salt) • B vitamins (unfortified nutritional yeast) Your hair needs these building blocks.9) Eat cruciferous vegetables to regulate estrogen. Excess estrogen can cause hair loss (why women often lose hair during menstrual cycles). Broccoli, kale, and brussels sprouts help regulate estrogen naturally. Kelp (for iodine) helps too.10) Support thyroid health with selenium. Selenium aids the thyroid by assisting in converting thyroid hormones to their active form (T3) and protecting thyroid cells from oxidative stress. Brazil nuts are your best food source of selenium. Seafood and seaweed work too.11) Increase vitamin D to reduce stress. Many people trace their hair loss to a stressful event (financial problems, losing a job, work related stress, etc.) because cortisol (stress hormone) damages proteins. Get sun exposure, supplement D3, get more sleep, and exercise daily.12) Drink silica-rich water for hair strength. Silica gives hair its strength and structure. Spring waters naturally contain silica. When you consume silica-rich water, you'll notice stronger hair, skin, and nails within weeks.For women with polycystic ovary syndrome (PCOS) experiencing hair loss, the ketogenic diet + intermittent fasting can be transformative. PCOS causes elevated androgens due to insulin spikes. Lowering insulin through low-carb eating reduces androgens and prevents hair loss.Also, don't forget about biotin (hair-growth vitamin), it's crucial for hair protein structure. Your gut bacteria manufacture biotin naturally if your microbiome is healthy. Sauerkraut contains 100x more probiotics than supplements and helps your body produce its own biotin.These 12 remedies work together synergistically to support healthy hair growth. Start with the ones that apply most to your situation. Hair regrowth takes time, but unlike medications, these natural approaches address the root causes without side effects.Found this helpful? Follow @dr_ericberg for daily science-backed health tips you can actually use. Share your health questions below. I read comments and use them to create future content that matters to you.

Losing your hair is devastating, and medications come with side effects you don't want. I'm going to show you 12 very effective, inexpensive home remedies that can help prevent hair loss and regrow your hair naturally. THREAD 🧵 ... First, let's understand how most top hair loss medications work: Most block an enzyme called "5-alpha reductase" that converts testosterone to DHT. Too much DHT causes androgenetic alopecia (pattern baldness) in both men and women. Let's dive into natural remedies: ... 1) Get a fluoride-filtering showerhead. Most people don't realize that fluoride in shower water causes significant hair loss AND blocks your thyroid function. A hypothyroid (underactive thyroid) condition easily stops hair growth. ... 2) Switch to sulfate-free shampoo. Your hair is 91% protein, and sulfates destroy protein. Using sulfate shampoos damages your hair and contributes to hair loss. This simple change can make a dramatic difference. ... 3) Apply diluted onion juice to your scalp. It's a potent natural inhibitor of the same 5-alpha reductase enzyme that medications target. Mix it 50/50 with water, massage into your scalp, leave for 15 minutes, then wash out. ... 4) Use green tea as a scalp treatment. Green tea also inhibits the 5-alpha reductase enzyme. Make green tea, dilute by 50% with water, apply to your scalp for 15 minutes, then wash out with shampoo. Simple, inexpensive, and surprisingly effective. ... 5) Rosemary oil is comparable to Rogaine. One study shows rosemary oil is as effective as commercial hair loss products. Massage it into your scalp, leave overnight, then wash out in the morning. It's one of the most potent natural DHT blockers available. ... 6) Boost your zinc intake. Zinc deficiency is a common cause of hair loss, as zinc naturally inhibits the enzyme that creates DHT. Best sources: oysters (highest), red meat, seafood, and eggs. Try eating oysters a few times weekly for best results. ... 7) Apple cider vinegar (ACV) scalp treatment. NEVER use concentrated ACV because it will burn your scalp. Dilute 1/3 cup ACV in 1 liter of water, apply to scalp to: • Clean clogged pores • Restore proper pH • Support scalp microbiome • Add shine ... 8) If you're on keto and losing hair, increase protein. This is the #1 cause of hair loss on ketogenic diets. Also add: • Trace minerals (seaweed, shellfish, sea salt) • B vitamins (unfortified nutritional yeast) Your hair needs these building blocks. ... 9) Eat cruciferous vegetables to regulate estrogen. Excess estrogen can cause hair loss (why women often lose hair during menstrual cycles). Broccoli, kale, and brussels sprouts help regulate estrogen naturally. Kelp (for iodine) helps too. ... 10) Support thyroid health with selenium. Selenium aids the thyroid by assisting in converting thyroid hormones to their active form (T3) and protecting thyroid cells from oxidative stress. Brazil nuts are your best food source of selenium. Seafood and seaweed work too. ... 11) Increase vitamin D to reduce stress. Many people trace their hair loss to a stressful event (financial problems, losing a job, work related stress, etc.) because cortisol (stress hormone) damages proteins. Get sun exposure, supplement D3, get more sleep, and exercise daily. ... 12) Drink silica-rich water for hair strength. Silica gives hair its strength and structure. Spring waters naturally contain silica. When you consume silica-rich water, you'll notice stronger hair, skin, and nails within weeks. ... For women with polycystic ovary syndrome (PCOS) experiencing hair loss, the ketogenic diet + intermittent fasting can be transformative. PCOS causes elevated androgens due to insulin spikes. Lowering insulin through low-carb eating reduces androgens and prevents hair loss. ... Also, don't forget about biotin (hair-growth vitamin), it's crucial for hair protein structure. Your gut bacteria manufacture biotin naturally if your microbiome is healthy. Sauerkraut contains 100x more probiotics than supplements and helps your body produce its own biotin. ... These 12 remedies work together synergistically to support healthy hair growth. Start with the ones that apply most to your situation. Hair regrowth takes time, but unlike medications, these natural approaches address the root causes without side effects. ... Found this helpful? Follow @dr_ericberg for daily science-backed health tips you can actually use. Share your health questions below. I read comments and use them to create future content that matters to you.