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Hair Fall and Hair Regrowth

Dr Krishna Bhalala
Reviewed and Written by Dr. Krishna Bhalala, MBBS, Dermatologist
Published 04/16/2024

Hair fall and hair regrowth are two of the most common concerns affecting both men and women today. While it’s normal to lose 50–100 hairs per day, excessive shedding or noticeable thinning may point to an underlying issue. The good news? With the right diagnosis, lifestyle modifications, and treatments, many types of hair fall can be managed—and regrowth can be stimulated.

The good news? With the right diagnosis, lifestyle modifications, and treatments, many types of hair fall can be managed—and regrowth can be stimulated.

1. What is Hair Fall and Hair Regrowth?

Hair fall (hair loss / alopecia): The excessive shedding of hair from the scalp or other parts of the body. It may be temporary or permanent.

Hair regrowth: The process where new hair strands grow back after loss, depending on the health of hair follicles, scalp condition, nutrition, and medical care.

Hair grows in cycles:

  • Anagen (growth phase): The active phase where most hair grows.
  • Catagen (transition phase): A short resting phase.
  • Telogen (shedding phase): Old hair falls out while new hair begins forming.

When this cycle is disrupted due to stress, illness, hormones, or genetics, noticeable hair loss occurs.

2. Signs & Symptoms of Hair Fall

Early identification makes it easier to manage hair fall. Watch out for:

  • Gradual thinning: A slow reduction in hair volume (common at the crown or hair part).
  • Receding hairline: Especially noticeable in men along the temples.
  • Patchy bald spots: Circular or irregular bald patches.
  • Excess hair on pillow/brush: More strands than usual during combing or sleeping.
  • Widening hair part: More visible scalp in women.
  • Scalp visibility: Thinning density exposes more scalp.
  • Itching/flakiness: Often due to scalp conditions like dandruff or psoriasis.
  • Signs of regrowth: Fine baby hairs or thicker strands in thinning areas.

3. What Causes Hair Fall & Hair Regrowth?

Hair fall may be caused by internal or external factors. Some are reversible, while others may require medical intervention.

  • Genetics: Androgenetic alopecia (hereditary baldness) is the most common cause in men & women.
  • Hormonal changes: Pregnancy, childbirth, menopause, PCOS, or thyroid issues.
  • Nutritional deficiencies: Lack of iron, protein, vitamin D, zinc, or biotin.
  • Stress: Physical or emotional stress triggers telogen effluvium (shedding phase).
  • Medical conditions: Alopecia areata, scalp infections, autoimmune disorders.
  • Medications: Drugs for cancer, arthritis, depression, or blood pressure.
  • Hairstyling damage: Tight hairstyles, chemicals, heat styling → traction alopecia.
  • Scalp conditions: Dandruff, fungal infections, psoriasis.
  • Aging: Hair growth slows naturally with age.

4. How to Stimulate Hair Regrowth

With proper care and treatment, hair regrowth is possible in many cases:

Medical Treatments:

  • Minoxidil (topical solution): Stimulates follicles.
  • Finasteride (oral tablet, men only): Blocks DHT hormone.
  • PRP Therapy (Platelet-Rich Plasma): Enhances follicle activity.
  • GFC Therapy (Growth Factor Concentrate): Boosts regrowth naturally.
  • Hair Transplant Surgery: Permanent restoration for advanced baldness.

Lifestyle & Home Care:

  • Eat a protein and vitamin-rich diet.
  • Manage stress with yoga, meditation, or exercise.
  • Avoid harsh shampoos, heat, and chemical styling.
  • Treat dandruff or scalp infections early.

5. When to See a Dermatologist

Seek professional help if you notice:

  • Rapid or sudden hair loss.
  • Patchy bald spots or complete bald patches.
  • Excessive shedding after illness or medication.
  • No improvement despite lifestyle changes.

A dermatologist can perform tests, identify the exact cause, and create a personalized treatment plan to restore hair health.