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What your hair says about your health, according to science

  //science-technology.news-articles.net/content/2 .. says-about-your-health-according-to-science.html
  Published in Science and Technology on Saturday, October 25th 2025 at 19:43 GMT by Channel NewsAsia Singapore
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A Deep Dive into Maintaining Healthy Hair: Key Insights from Channel News Asia

The pursuit of lustrous, resilient hair is more than a cosmetic endeavor—it’s a holistic reflection of overall wellness. In a recent feature on Channel News Asia, experts break down the science behind hair health, offering actionable advice that blends cutting‑edge research with everyday practicality. From the role of nutrition to the nuances of hair care routines, the article paints a comprehensive picture of what it truly takes to keep strands strong, shiny, and damage‑free.

1. Understanding the Anatomy of Healthy Hair

The article begins by explaining that hair is essentially a protein filament made of keratin, produced by hair follicles located in the skin’s dermal layer. Healthy hair growth depends on a steady supply of nutrients—particularly vitamins A, C, E, and the B‑complex—as well as minerals such as iron, zinc, and selenium. It also emphasizes the importance of maintaining a balanced pH on the scalp to support optimal follicle function.

Experts highlight that hair growth occurs in cycles: the anagen (growth) phase, the catagen (transitional) phase, and the telogen (resting) phase. Disruptions to these phases can lead to premature shedding, thinning, or conditions like alopecia. Understanding this cycle can help readers make informed decisions about treatments and lifestyle changes.

2. Nutrition and Its Impact on Hair

A substantial portion of the article focuses on diet, citing studies that link nutrient deficiencies to hair loss and poor hair quality. Key takeaways include:

• Protein‑rich foods such as lean meats, fish, beans, and nuts support keratin synthesis.
• Omega‑3 fatty acids found in salmon, chia seeds, and flaxseed help maintain scalp oil balance, reducing dryness and flakiness.
• Iron and zinc levels should be monitored, especially in women, as low levels are common culprits behind thinning hair.
• Biotin—often marketed for hair health—does show benefits for those deficient, but supplementation is less effective for the general population.

The article provides a sample meal plan that incorporates these nutrients, reminding readers that hair health is intrinsically linked to overall diet quality.

3. The Role of Scalp Care

Beyond the strands, the scalp’s health is pivotal. The piece advises:

• Gentle cleansing: Over‑washing with harsh shampoos can strip natural oils. Opt for sulfate‑free formulations that clean without over‑drying.
• Exfoliation: Using a scalp scrub once a week can remove buildup of dead cells, improving blood circulation to follicles.
• Avoiding tight hairstyles: Styles like ponytails or braids that pull on the roots can cause traction alopecia. The article recommends loose styles and breaks between tight applications.
• Heat protection: Heat styling tools can degrade keratin. The article suggests using heat protectant sprays and limiting high‑temperature use to once or twice a week.

A link within the article leads to a detailed guide on managing dandruff, which discusses the role of Malassezia yeast, the benefits of ketoconazole shampoos, and natural remedies such as tea tree oil.

4. Hair Care Products: What to Use, What to Skip

Channel News Asia’s experts weigh in on popular hair care products and treatments:

• Shampoos: Choose products tailored to your hair type. For oily hair, a clarifying shampoo once a week is enough; for dry hair, a moisturizing shampoo daily is acceptable.
• Conditioners: These should be applied mainly to the mid‑lengths and ends where damage is most pronounced.
• Leave‑in treatments: Lightweight serums or oils can guard against environmental stressors but avoid heavy products that cause buildup.
• Protein treatments: Over‑use can lead to stiff, brittle hair. Experts recommend a protein treatment once a month, especially for chemically processed hair.

The article cross‑references a product review on a popular hair oil, detailing its ingredients (argan oil, coconut oil, and rosemary extract) and highlighting user testimonials. A follow‑up link discusses how to differentiate between “natural” and “organic” claims in hair products, stressing the importance of ingredient transparency.

5. Lifestyle Factors that Influence Hair Health

Beyond products and nutrition, lifestyle choices play a pivotal role:

• Stress management: Chronic stress can precipitate telogen effluvium, a condition where hair prematurely enters the resting phase. The article recommends mindfulness practices, adequate sleep, and regular exercise.
• Sleep hygiene: Sleeping on a silk pillowcase reduces friction, decreasing breakage.
• Environmental protection: UV rays, pollution, and chlorinated water can damage hair. The article suggests protective hairstyles and using leave‑in UV filters.
• Medical conditions: Hormonal imbalances, thyroid disorders, and autoimmune diseases can manifest as hair loss. A link to a medical overview guides readers on when to seek professional advice.

6. Emerging Treatments and Research

The feature rounds off by exploring cutting‑edge treatments that are reshaping hair care:

• Platelet‑rich plasma (PRP) therapy: Involves injecting platelet‑enriched plasma into the scalp to stimulate follicle activity. Clinical trials show promising results for androgenetic alopecia.
• Low‑level laser therapy (LLLT): Portable devices emit red light wavelengths that purportedly enhance cellular metabolism in hair follicles.
• Stem‑cell‑based hair follicle regeneration: Still largely experimental, but early research indicates potential for long‑term restoration of hair density.

The article includes a link to a detailed breakdown of PRP therapy, explaining the procedure, cost, and expected outcomes, as well as patient testimonials.

7. Practical Takeaways

The concluding segment distills the information into a concise “Hair Health Cheat Sheet”:

1. Prioritize a balanced diet rich in protein, healthy fats, and essential micronutrients.
2. Adopt a gentle cleansing routine—less is often more for shampooing.
3. Protect the scalp through heat guards, moisturization, and exfoliation.
4. Choose products wisely—look for sulfate‑free shampoos, lightweight conditioners, and avoid heavy oils.
5. Manage stress and ensure adequate sleep.
6. Consider professional options (PRP, LLLT) if conventional measures fall short.

The article invites readers to explore additional resources—such as a detailed guide on selecting the right conditioner for fine hair—available through links embedded in the original text.

Conclusion

Channel News Asia’s feature on hair health delivers a multi‑dimensional perspective, seamlessly weaving together science, expert opinion, and everyday practicality. By focusing on nutrition, scalp care, mindful product use, and lifestyle adjustments, readers gain a clear roadmap to achieving healthier hair. The inclusion of links to in‑depth guides on dandruff management, product reviews, and emerging therapies further enriches the narrative, ensuring that readers are equipped not just with knowledge but also with actionable steps tailored to their unique hair needs.