The Ultimate Hair Growth Routine: Science-Backed Strategies for Thicker, Healthier Hair

Hair loss and thinning can be distressing, but the right routine—backed by science and consistency—can promote regrowth and improve scalp health. Whether you’re facing male or female pattern baldness, stress-related hair shedding, or early greying, the following comprehensive routine combines powerful prescriptions, proven topicals, and essential nutrients to optimize hair growth.

1. Prescription Treatments

• Finasteride (1mg daily)

Finasteride is a DHT-blocker commonly prescribed for male pattern baldness. It works by inhibiting the enzyme 5-alpha-reductase, reducing DHT levels—the primary hormone responsible for shrinking hair follicles.

• Dutasteride (0.5mg 1–2x/week)

A more potent DHT blocker than finasteride, dutasteride inhibits both Type I and Type II forms of 5-alpha-reductase. It’s often used when finasteride alone isn’t sufficient. Always consult a healthcare provider before combining or switching these medications.

Note: Both finasteride and dutasteride are typically used by men. Women should consult their doctor due to hormonal implications, especially if pregnant or trying to conceive.

2. Topical Treatments

• Minoxidil (5% twice daily)

A vasodilator that increases blood flow to the scalp, minoxidil extends the anagen (growth) phase of hair follicles. It’s FDA-approved and effective for both men and women.

• Ketoconazole Shampoo (2–3x/week)

This antifungal shampoo reduces scalp inflammation and dandruff—two factors that can exacerbate hair loss. It may also have mild anti-androgenic effects on the scalp, making it a good adjunct to other treatments.

3. Natural Boosters

• Onion Juice (Pre-bath Every Sunday)

Rich in sulfur and antioxidants, onion juice is a traditional remedy that may promote circulation and stimulate dormant follicles. Apply it to the scalp for 30 minutes before washing. Though smelly, some users report noticeable results in thickness and regrowth.

To neutralize the onion smell, rinse your hair after washing with green coriander (cilantro) juice—use a full 500 ml mug and pour it evenly over the scalp and hair as a final rinse. This helps remove the odor while leaving the scalp fresh and clean.

• Galentine Jelly

Galentine Jelly, often promoted for hair thickening, can be made at home using high-quality gelatin powder rich in collagen. To prepare, simply boil 5 grams of gelatin powder in water and let it cool until it turns into a jelly-like consistency. Consume this freshly prepared jelly daily for 90 consecutive days to support hair shaft strength, improve elasticity, and enhance shine from within. This routine provides a natural source of collagen, biotin (if added), and hydration-supportive nutrients, helping nourish hair follicles over time. Consistent daily intake is key to seeing visible results in hair thickness and texture.

4. Essential Micronutrients

• Zinc and Copper (Balance Matters)

• • Zinc: Essential for tissue repair, hormone regulation, and immune function. Deficiency is linked to hair thinning and scalp conditions.

  • Copper: Important for melanin production (hair pigment). Helps prevent premature greying.

Avoid excess zinc as it can deplete copper levels—aim for balanced supplementation (e.g., 15mg zinc with 1–2mg copper).

• Vitamin D3 (1000–5000 IU/day)

Vitamin D deficiency is a known contributor to hair loss. Supplementing with D3 helps modulate the immune system and support follicle cycling.

• Magnesium

A natural stress-reducer, magnesium regulates cortisol levels. Since stress is a major contributor to telogen effluvium (stress-induced shedding), magnesium helps maintain hormonal balance and support restful sleep.

Sample Weekly Hair Growth Routine

5. Premature Greying: Targeted Correction

Copper Deficiency & Greying

Premature greying is strongly linked to copper deficiency, as copper is essential for melanin production—the pigment that gives hair its natural color.

Why Copper Gets Depleted

• Chronic stress (raises cortisol, depletes trace minerals)
• Excess zinc supplementation (zinc and copper compete for absorption)
• Poor gut absorption

Corrective Strategy

• Copper: 1–2 mg/day (do not exceed)
• Zinc: Keep moderate (≈15 mg/day) and always balance with copper
• Vitamin D3: Supports follicle health and immune regulation
• B-Complex: Supports stress response, metabolism, and hair pigmentation
• Iodine drops (low dose): Supports thyroid function, indirectly aiding hair health

Lifestyle Correction

• Reduce stress through sleep, nutrition, and mineral balance
• Eliminate excess sugar (spikes insulin → worsens mineral loss)
• Stay consistent and patient—repigmentation takes time

Key Insight: Hair greying is often a nutritional and stress signal, not just aging.

6. Dry & Frizzy Hair: Oil Strategy That Works

Pre-Wash (Mustard Oil)

• Apply mustard oil to scalp and hair before shampooing
• Improves circulation, strengthens shafts, and reduces dryness
• Leave for 30–60 minutes

Post-Wash (Minimal Oil Rule)

• Use a very small amount of oil only on lengths—not scalp
• Best choice: MCT Coconut Oil
  • Does not solidify in cold weather
  • Lightweight, non-greasy
  • Keeps hair soft and fluffy all day

Over-oiling after washing causes limp, greasy hair—less is more.

Final Thoughts

Consistency is key in any hair regrowth journey. While prescription medications like finasteride and dutasteride target the root hormonal cause, supporting your scalp with nourishing topicals, natural remedies, and targeted nutrition enhances results. Expect to see visible improvements in 3–6 months with regular use.

Always consult a dermatologist or trichologist before starting or combining any medications or supplements, especially if you have underlying health conditions.