The Hidden Truth About Your Nail Struggles (And WhyThey’re Getting Worse)
Do you find yourself constantly hiding your hands because your nails are embarrassingly weak, brittle, or just plain unhealthy? You’re not alone. Every day, millions of people struggle with nail problems that make them feel self-conscious and frustrated. Your nails are constantly breaking, peeling, or splitting at the worst possible moments – right before that important meeting, during a special event, or when you’re trying to look your best.

Maybe you’ve tried everything: expensive nail hardeners, salon treatments, and countless products that promise miracles but deliver disappointment. You’ve probably spent hundreds of dollars searching for the perfect solution, only to watch your nails continue to look dull, weak, and unhealthy. The frustration is real, and it affects more than just your appearance – it impacts your confidence and how you feel about yourself.
Here’s what’s even more concerning: weak nails aren’t just a cosmetic issue. They’re often a sign that your body is desperately trying to tell you something important about your nutritional health. When your nails are brittle, splitting, or showing unusual discoloration, it could indicate underlying vitamin deficiencies that are affecting your entire well-being.
But here’s the good news – you have the power to transform your nail health naturally with the right herbal vitamins and supplements. This comprehensive guide will show you exactly how to identify what your nails are telling you about your health and provide you with science-backed solutions to achieve the strong, beautiful nails you deserve.
Understanding Your Nails: More Than Just Keratin
Your nails are remarkable structures composed primarily of keratin, a fibrous protein that also makes up your hair and the outer layer of your skin [1]. This protein forms the foundation of nail strength and resilience. However, healthy nail formation requires much more than just protein – it demands a complex symphony of vitamins, minerals, and nutrients working together.
The nail matrix, located beneath your cuticle, is where new nail cells are born. This is where the magic happens, and it’s also where nutritional deficiencies first show their impact. When your body lacks essential nutrients, the nail matrix can’t produce strong, healthy nail cells, resulting in the weak, brittle nails that cause you so much frustration.
Your nails grow approximately 3 millimeters per month, which means any nutritional improvements you make today won’t be visible for several weeks. However, this also means that with consistent supplementation, you can literally grow an entirely new set of healthy nails within a few months.
The Science Behind Nail Health and Nutritional Deficiencies
Research shows that nail health is intimately connected to your nutritional status [2]. When your body is deficient in key vitamins and minerals, your nails often show the first signs of distress. Common signs of nutritional deficiencies in nails include:
Brittle, Breaking Nails: Often indicates biotin (vitamin B7) deficiency, iron deficiency, or inadequate protein intake.
White Spots or Lines: Contrary to popular belief, these aren’t usually caused by calcium deficiency. Instead, they often signal zinc deficiency or minor trauma [3].

Spoon-Shaped Nails (Koilonychia): This concave appearance frequently indicates iron deficiency anemia.
Yellow or Discolored Nails: Can indicate various nutritional deficiencies or underlying health conditions.
Horizontal Ridges (Beau’s Lines): Often appear after periods of severe stress, illness, or nutritional deficiency, particularly zinc deficiency [4].
Soft, Peeling Nails: May indicate deficiencies in vitamins A, D, or magnesium.
The good news is that addressing these nutritional deficiencies through targeted supplementation can dramatically improve your nail health within just a few months of consistent care.
Biotin: The Nail Strengthening Superstar
Biotin, also known as vitamin B7, is perhaps the most well-researched nutrient for nail health. This essential B-vitamin plays a crucial role in the production of keratin, the protein that forms the structure of your nails [5].
How Biotin Transforms Your Nails
Biotin works by supporting the metabolic processes that create keratin. When your body has adequate biotin levels, it can produce stronger, more resilient keratin fibers that make up your nail plate. Research has shown that biotin supplementation can increase nail thickness by up to 25% and significantly reduce nail breakage [6].
A study found that 2.5 mg of biotin daily for several months resulted in firmer, harder nails with reduced splitting and breakage in individuals with brittle nail syndrome. The study participants saw improvements beginning around 6-8 weeks of consistent supplementation.
Optimal Biotin Dosage for Nail Health
Most adults can benefit from 30-100 micrograms of biotin daily for general health, but therapeutic doses for nail strengthening typically range from 2,500-10,000 micrograms (2.5-10 mg) daily. Higher doses have been shown to be safe and more effective for addressing existing nail problems [7].
However, it’s important to note that biotin can interfere with certain laboratory tests, so always inform your healthcare provider if you’re taking biotin supplements.
Collagen: Building Blocks for Nail Structure
Collagen is rapidly gaining recognition as a powerful supplement for nail health. While nails are primarily made of keratin, collagen provides essential amino acids that support keratin production and overall nail structure [8].
The Collagen-Nail Connection
Collagen contains high concentrations of glycine, proline, and hydroxyproline – amino acids that are crucial for maintaining healthy nail matrix function. When you supplement with hydrolyzed collagen peptides, you’re providing your body with the raw materials it needs to build stronger nails from the inside out.
A clinical study published in a peer-reviewed journal found that participants taking 2.5 grams of specific bioactive collagen peptides daily experienced a 12% increase in nail growth rate and a 42% decrease in broken nails [9]. These improvements were observed after just 24 weeks of supplementation.
Types of Collagen for Nail Health
Type I collagen is the most beneficial for nail health, as it’s the primary type found in skin, hair, and nails. Marine collagen (from fish) is often considered superior due to its smaller molecular size and higher bioavailability compared to bovine collagen.

Look for hydrolyzed collagen peptides, which have been broken down into smaller, more easily absorbed molecules. A daily dose of 2.5-10 grams of hydrolyzed collagen can provide significant benefits for nail strength and growth.
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Essential Vitamins for Nail Health
Vitamin C: The Collagen Catalyst
Vitamin C is absolutely essential for healthy nail formation because it’s required for collagen synthesis. Without adequate vitamin C, your body cannot produce the collagen needed to support strong nail structure [10].

Vitamin C also acts as a powerful antioxidant, protecting your nail matrix from oxidative damage that can weaken nail production. A daily dose of 500-1,000 mg of vitamin C can significantly support nail health, especially when combined with other nail-supporting nutrients.
Vitamin E: Protection and Moisture
Vitamin E helps protect your nails from environmental damage while supporting healthy blood circulation to the nail matrix. It also helps maintain nail moisture and flexibility, reducing the likelihood of brittle, cracking nails.
Studies suggest that 400 IU of vitamin E daily can improve nail health and appearance, particularly in individuals with dry, brittle nails.
B-Complex Vitamins: The Nail Support Team
While biotin gets most of the attention, other B vitamins are equally important for nail health:
Vitamin B12: Deficiency can cause nail discoloration, brittleness, and unusual pigmentation changes [11].
Folate (B9): Essential for cell division and growth, including nail matrix cells.
Niacin (B3): Supports healthy blood circulation to the nail matrix.
Riboflavin (B2): Important for cellular energy production in nail-forming cells.
Crucial Minerals for Strong Nails
Iron: The Foundation of Healthy Nails
Iron deficiency is one of the most common causes of nail problems worldwide. When your body lacks iron, it cannot transport adequate oxygen to the nail matrix, resulting in weak, spoon-shaped, or brittle nails [12].
If you suspect iron deficiency, it’s crucial to have your iron levels tested before supplementing, as too much iron can be harmful. When iron deficiency is confirmed, supplementation with 18-25 mg of elemental iron daily (under medical supervision) can dramatically improve nail health within 3-6 months.
Zinc: The Nail Growth Accelerator
Zinc is essential for protein synthesis and cell division, making it crucial for healthy nail growth. Zinc deficiency often manifests as white spots on nails, slow nail growth, and increased susceptibility to nail infections [13].

A daily dose of 8-11 mg of zinc can support optimal nail health, but higher therapeutic doses (15-30 mg) may be beneficial for individuals with confirmed deficiency.
Silicon: The Strengthening Mineral
Silicon helps maintain the structural integrity of nails by supporting collagen formation and cross-linking. This mineral is often overlooked but can be incredibly beneficial for individuals with weak, flexible nails.
Bamboo extract is an excellent natural source of bioavailable silicon, typically providing 70% silica content. A daily dose of 5-10 mg of silicon can help strengthen nail structure.
Nutrition and Care for Stronger Nails
Stronger nails and healthy hair are supported through proper nutrition and supplementation. When you consume adequate vitamins and minerals, your nail health naturally improves. Biotin supplements are particularly beneficial for those experiencing brittle nails or slow nail growth.
Supporting your nails requires a combination of nail vitamins, proper care with nail polish, and consuming healthy fats. Hair and nail health depends on getting essential nutrients from both dietary sources and quality supplements. A comprehensive approach that includes skin and nails vitamins can help strengthen nails and improve their appearance over time.
Herbal Supplements for Nail Health
Horsetail Extract: Nature’s Silicon Source
Horsetail (Equisetum arvense) is one of the richest natural sources of silicon and has been used traditionally for strengthening hair, skin, and nails. The silicon in horsetail is highly bioavailable and easily absorbed by the body.
Studies suggest that horsetail extract can improve nail thickness and reduce brittleness when taken consistently for several months. Look for standardized extracts containing 7-10% silica.
Nettle: Nutrient-Dense Nail Support
Stinging nettle (Urtica dioica) is packed with minerals essential for nail health, including iron, zinc, and silicon. This herb has been traditionally used to support overall health and vitality.
Nettle can be consumed as a tea, tincture, or standardized extract. 300-500 mg of nettle extract daily can provide significant nutritional support for nail health.
MSM (Methylsulfonylmethane): Sulfur for Strong Nails
MSM provides bioavailable sulfur, which is essential for keratin formation. Sulfur helps create the disulfide bonds that give keratin its strength and structure.
1,000-3,000 mg of MSM daily can support stronger, more resilient nails while also benefiting hair and skin health.
Creating Your Optimal Nail Health Supplement Stack
The Foundation Stack
For most people struggling with nail problems, this basic combination provides excellent results:
- Biotin: 2,500-5,000 mcg daily
- Hydrolyzed Collagen: 5-10 grams daily
- Vitamin C: 500-1,000 mg daily
- High-quality multivitamin: Provides B-complex vitamins and basic minerals
The Advanced Stack
For severe nail problems or faster results, consider adding:
- Iron: 18-25 mg daily (only if deficiency is confirmed)
- Zinc: 15-25 mg daily
- Silicon/Horsetail extract: 5-10 mg silicon daily
- MSM: 1,000-2,000 mg daily
- Vitamin E: 400 IU daily
The Herbal Enhancement Stack
For those who prefer natural, plant-based support:
- Horsetail extract: 300-500 mg daily
- Nettle extract: 300-500 mg daily
- Bamboo extract (silicon source): 100-200 mg daily
- Plant-based collagen builders: Vitamin C, lysine, and proline
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Timing and Absorption: Maximizing Your Results
The timing of your supplements can significantly impact their effectiveness. Here are key strategies for optimal absorption:
With Food vs. Empty Stomach
Most nail health supplements should be taken with food to improve absorption and reduce stomach upset. This is particularly important for:
- Iron supplements
- Fat-soluble vitamins (A, D, E, K)
- B-complex vitamins
- Zinc
Collagen peptides can be taken on an empty stomach for potentially better absorption, but taking them with food is also fine if it’s more convenient.
Morning vs. Evening
B vitamins and vitamin C are best taken in the morning as they can be energizing and may interfere with sleep if taken late in the day.
Magnesium and collagen can be taken in the evening as magnesium has relaxing properties that may support sleep quality.
Cycling and Consistency
Consistency is more important than cycling for nail health supplements. Unlike some supplements that benefit from periodic breaks, nail-supporting nutrients work best when taken consistently over several months.
However, if you’re taking higher doses of certain minerals like zinc or iron, periodic blood testing can help ensure you’re maintaining optimal levels without excess.
What to Expect: Your Timeline to Stronger Nails
Understanding the timeline for nail improvement helps set realistic expectations and maintain motivation:

Weeks 1-4: Foundation Building
During the first month, your body is building up nutrient stores and beginning to produce healthier nail cells. You likely won’t see visible changes yet, but important biochemical improvements are occurring.
Weeks 6-12: First Visible Changes
This is when you’ll start noticing improvements in newly grown nail areas. The new growth may appear stronger, less prone to breaking, and have better color and texture.
Weeks 12-24: Significant Transformation
By 3-6 months, most people see dramatic improvements in overall nail health, strength, and appearance. This is when the full length of your nails has been replaced with healthier nail tissue.
Month 6 and Beyond: Optimal Results
Long-term supplementation maintains optimal nail health and may continue to show improvements in nail thickness, growth rate, and resilience.
Safety Considerations and Interactions
Generally Safe Supplements
Most nail health supplements are very safe for healthy adults:
- Biotin: Very safe even at high doses, but can interfere with lab tests
- Collagen: Generally safe with minimal side effects
- Vitamin C: Safe at doses up to 2,000 mg daily for most people
- B-complex vitamins: Water-soluble and generally safe
Supplements Requiring Caution
These supplements require more careful consideration:
Iron: Only supplement if deficiency is confirmed through testing. Excess iron can be harmful.
Zinc: High doses (over 40 mg daily) can interfere with copper absorption and immune function.
Fat-soluble vitamins (A, D, E, K): Can accumulate in the body; follow recommended dosages.
Medication Interactions
Always consult your healthcare provider before starting new supplements, especially if you take medications for:
- Blood clotting disorders (warfarin)
- Diabetes medications
- Thyroid medications
- Antibiotics
Lifestyle Factors That Support Nail Health
Nutrition Beyond Supplements
A nutrient-dense diet provides the foundation for healthy nails:
Protein-rich foods: Lean meats, fish, eggs, legumes, and nuts provide amino acids for keratin production.
Healthy fats: Omega-3 fatty acids from fish, flaxseeds, and walnuts support nail moisture and flexibility.
Colorful vegetables and fruits: Provide antioxidants and vitamins that protect nail-forming cells.
Whole grains: Supply B vitamins and minerals essential for nail health.
Nail Care Practices
Proper nail care enhances the benefits of supplementation:
Keep nails moisturized: Use cuticle oils and hand creams to prevent brittleness.
Protect from chemicals: Wear gloves when cleaning or using harsh chemicals.
Avoid aggressive manicures: Gentle care prevents trauma that can weaken nails.
Don’t use nails as tools: Avoid using nails to open packages or scratch surfaces.
Stress Management
Chronic stress can negatively impact nail health by depleting nutrients and affecting hormone balance. Effective stress management through exercise, meditation, adequate sleep, and relaxation techniques can significantly support your nail health journey.
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Choosing Quality Supplements
What to Look For
Third-party testing: Look for supplements that have been independently tested for purity and potency.
Bioavailable forms: Choose chelated minerals and active vitamin forms for better absorption.
Clean ingredients: Avoid unnecessary fillers, artificial colors, and preservatives.
Proper dosages: Ensure the supplement contains therapeutic amounts of active ingredients.
Red Flags to Avoid
Unrealistic claims: Be wary of supplements promising overnight miracles.
Proprietary blends: Avoid products that don’t disclose individual ingredient amounts.
Extremely low prices: Quality supplements require quality ingredients and proper manufacturing.
No manufacturing information: Choose supplements from reputable companies with clear manufacturing standards.
Monitoring Your Progress
Tracking Improvements
Keep a nail health journal to document your progress:
- Take photos of your nails monthly
- Note changes in strength, flexibility, and appearance
- Record any changes in growth rate
- Document any reduction in breakage or splitting
When to Adjust Your Approach
If you don’t see improvements after 3-4 months, consider:
- Increasing dosages (within safe limits)
- Adding complementary nutrients
- Addressing underlying health issues
- Consulting with a healthcare provider
Blood Testing
Periodic blood tests can help optimize your supplement regimen:

- Iron studies (ferritin, TIBC, transferrin saturation)
- B12 and folate levels
- Zinc and copper balance
- Vitamin D status
Conclusion
Your journey to stronger, healthier nails doesn’t have to be a frustrating cycle of disappointment and wasted money on ineffective products. By understanding the science behind nail health and implementing a targeted approach with herbal vitamins and supplements, you can achieve the beautiful, strong nails you’ve always wanted.
The key is consistency, patience, and choosing the right combination of nutrients for your specific needs. Remember that nail transformation is a process that takes time – typically 3-6 months to see significant results – but the improvements are well worth the wait.
Start with the foundation supplements like biotin and collagen, then add other nutrients based on your specific nail concerns and any identified deficiencies. With the right approach, you’ll not only improve your nail health but also gain valuable insights into your overall nutritional status and well-being.
Your nails are a reflection of your inner health, and by nourishing them properly, you’re investing in both your appearance and your overall vitality. Take action today, be consistent with your supplementation, and in a few months, you’ll be amazed at the transformation in your nail health and the confidence that comes with it.
Blog Summary: Herbal Nail Vitamins and Supplements for Strong Nails
Quick Overview
This comprehensive guide explains how nutritional deficiencies cause weak, brittle nails and provides science-backed solutions using herbal vitamins and supplements to achieve strong, healthy nails.
Key Points
The Problem
- Weak nails often signal nutritional deficiencies affecting overall health
- Common signs include brittleness, white spots, peeling, and slow growth
- Iron deficiency affects nails worldwide, causing spoon-shaped or weak nails

- Zinc deficiency manifests as white spots and slow growth
Top Supplements for Nail Health
- Biotin (2,500-10,000 mcg daily): Increases nail thickness by up to 25% and reduces breakage
- Collagen (2.5-10 grams daily): Provides amino acids for nail structure; increases growth rate by 12%
- Vitamin C (500-1,000 mg daily): Essential for collagen synthesis and antioxidant protection
- Iron (18-25 mg daily): Corrects deficiency-related nail problems (test first)
- Zinc (8-11 mg daily): Supports protein synthesis and nail growth
Herbal Supplements
- Horsetail extract: Rich natural source of bioavailable silicon
- Nettle: Packed with iron, zinc, and silicon for comprehensive support
- MSM: Provides sulfur essential for keratin strength
- Bamboo extract: Excellent silicon source for nail structure
Supplement Stacks
- Foundation Stack: Biotin, collagen, vitamin C, and multivitamin
- Advanced Stack: Add iron (if deficient), zinc, silicon, MSM, and vitamin E
- Herbal Stack: Horsetail, nettle, bamboo extract, and collagen builders/”: ~

Best Practices
- Take most supplements with food for better absorption
- Take B vitamins and vitamin C in the morning
- Be consistent—results appear in 6-8 weeks, full benefits in 3-6 months
- Combine with protein-rich diet, healthy fats, and proper nail care
- Choose quality supplements with third-party testing and bioavailable forms
Timeline for Results
- Weeks 1-4: Body builds nutrient stores (no visible changes yet)
- Weeks 6-12: First visible improvements in new nail growth
- Weeks 12-24: Dramatic transformation in overall nail health
- Month 6+: Optimal results with continued improvements
Safety Considerations
- Biotin is very safe but can interfere with lab tests
- Test iron levels before supplementing (excess is harmful)
- High zinc doses can interfere with copper absorption
- Always consult healthcare provider, especially if taking medications
Supporting Lifestyle Factors
- Eat protein-rich foods, healthy fats, colorful vegetables, and whole grains
- Keep nails moisturized with cuticle oils and hand creams
- Protect from harsh chemicals by wearing gloves
- Manage stress through exercise, meditation, and adequate sleep
- Track progress with monthly photos and a nail health journal
Frequently Asked Questions
Q: How long does it take to see results from nail vitamins and supplements? A: Most people begin to see improvements in new nail growth after 6-8 weeks of consistent supplementation. Significant improvements in overall nail health typically occur after 3-6 months, as this is how long it takes to completely replace your nails with healthier tissue.
Q: Can I take multiple nail supplements together? A: Yes, most nail health supplements can be safely combined. In fact, they often work synergistically. However, be mindful of total dosages, especially for minerals like iron and zinc. Consider consulting with a healthcare provider for personalized advice.
Q: Are biotin supplements safe to take long-term? A: Biotin is generally very safe, even at high doses, as it’s water-soluble and excess amounts are excreted in urine. However, biotin can interfere with certain laboratory tests, so always inform your healthcare provider if you’re taking biotin supplements before having blood work done.
Q: Do nail vitamins work if I have naturally weak nails? A: Yes, nail vitamins can significantly improve even naturally weak nails by providing the nutrients needed for stronger keratin production. While genetics play a role in nail characteristics, nutritional support can help you achieve the strongest nails possible given your individual makeup.
Q: Should I stop my nail supplements once my nails improve? A: For best results, continue taking nail supplements consistently. If you stop supplementation, your nails will gradually return to their previous state as the nutrient-supported nail tissue grows out and is replaced by less-supported growth.
Q: Can men benefit from nail vitamins and supplements? A: Absolutely! Nail health supplements work equally well for men and women. The same nutritional principles apply regardless of gender, and men can experience the same improvements in nail strength, growth, and appearance.
Q: Are there any foods that can naturally support nail health? A: Yes, foods rich in biotin (eggs, nuts, seeds), collagen-supporting nutrients (vitamin C-rich fruits, bone broth), iron (lean meats, spinach), and zinc (pumpkin seeds, oysters) can all support nail health. However, therapeutic amounts often require supplementation.
Q: What’s the difference between nail hardeners and nail vitamins? A: Nail hardeners are topical products that temporarily coat the nail for immediate strengthening effects, while nail vitamins work from the inside out to improve the actual structure of new nail growth. Vitamins provide long-term, sustainable improvements while hardeners offer temporary cosmetic benefits.
Q: Can nail supplements help with nail fungus? A: While nail supplements primarily focus on strengthening and improving nail structure, nutrients like zinc and vitamin C can support immune function, which may help the body fight fungal infections. However, nail fungus typically requires specific antifungal treatments.
Q: Are plant-based nail supplements as effective as those containing animal products? A: Plant-based supplements can be very effective for nail health. While collagen is typically animal-derived, plant-based alternatives focus on providing the amino acids and nutrients needed for your body to produce its own collagen and keratin. Biotin, vitamins, and minerals are equally effective whether from plant or animal sources.
References
[1] Cashman, M. W., & Sloan, S. B. (2010). Nutrition and nail disease. Clinics in Dermatology, 28(4), 420-425.
[2] Almohanna, H. M., Ahmed, A. A., Tsatalis, J. P., & Tosti, A. (2019). The role of vitamins and minerals in hair loss: a review. Dermatology and Therapy, 9(1), 51-70.
[3] Rigopoulos, D., Gregoriou, S., Belyayeva, E., et al. (2008). Efficacy and safety of a multivitamin supplement in improving nail health. Journal of Cosmetic Dermatology, 7(3), 174-178.
[4] Cashman, M. W., & Sloan, S. B. (2010). Nutrition and nail disease. Clinics in Dermatology, 28(4), 420-425.
[5] Lipner, S. R., & Scher, R. K. (2018). Biotin for the treatment of nail disease: what is the evidence? Journal of Dermatological Treatment, 29(4), 411-414.
[6] Colombo, V. E., Gerber, F., Bronhofer, M., & Floersheim, G. L. (1990). Treatment of brittle fingernails and onychoschizia with biotin: scanning electron microscopy. Journal of the American Academy of Dermatology, 23(6), 1127-1132.
[7] Zhai, H., & Maibach, H. I. (2004). Antipruritic agents: An overview. Skin Pharmacology and Physiology, 17(4), 143-152.
[8] Proksch, E., Segger, D., Degwert, J., et al. (2014). Oral supplementation of specific collagen peptides has beneficial effects on human skin physiology. Skin Pharmacology and Physiology, 27(1), 47-55.
[9] Hexsel, D., Zague, V., Schunck, M., et al. (2017). Oral supplementation with specific bioactive collagen peptides improves nail growth and reduces symptoms of brittle nails. Journal of Cosmetic Dermatology, 16(4), 520-526.
[10] Pullar, J. M., Carr, A. C., & Vissers, M. C. (2017). The roles of vitamin C in skin health. Nutrients, 9(8), 866.
[11] Stabler, S. P. (2013). Vitamin B12 deficiency. New England Journal of Medicine, 368(2), 149-160.
[12] Trost, L. B., Bergfeld, W. F., & Calogeras, E. (2006). The diagnosis and treatment of iron deficiency and its potential relationship to hair loss. Journal of the American Academy of Dermatology, 54(5), 824-844.
[13] Kil, M. S., Kim, C. W., & Kim, S. S. (2013). Analysis of serum zinc and copper concentrations in hair loss. Annals of Dermatology, 25(4), 405-409.
