Hair Fall in Monsoon: Why It Spikes Every Year and How to Prevent It

Why Hair Fall Increases During Monsoon

Hair fall in monsoon is a widely observed seasonal phenomenon. Many people notice increased hair shedding between June and September, especially in humid regions like Mumbai. This is not a coincidence — environmental and biological factors combine to create the perfect conditions for hair fall.

High humidity levels weaken the hair shaft by absorbing excess moisture from the air. This causes swelling of the hair fiber, making it more fragile and prone to breakage. At the same time, the scalp becomes oilier, leading to clogged follicles and increased dandruff or fungal infections.

Additionally, there is evidence that hair follows a seasonal cycle, with more follicles entering the shedding (telogen) phase during late summer and monsoon. This makes hair fall appear more severe during this time of the year.

Top Causes of Hair Fall in Monsoon

1. High Humidity and Hair Weakness

Humidity causes hair strands to absorb water from the environment, leading to swelling and weakening of the cuticle. This makes hair more prone to breakage, frizz, and split ends.

2. Scalp Infections and Dandruff

Monsoon creates an ideal environment for fungal growth. Conditions like dandruff and seborrheic dermatitis worsen, leading to itching, inflammation, and increased hair fall.

3. Excess Oil Production

The scalp produces more sebum during humid weather. This oil mixes with dirt and sweat, clogging hair follicles and weakening hair roots.

4. Rainwater Exposure

Rainwater often contains pollutants and acidic compounds. When it settles on your scalp, it disrupts pH balance and damages hair quality.

5. Seasonal Hair Cycle Changes

Hair growth cycles shift with seasons. More hair follicles enter the resting phase during monsoon, leading to temporary increased shedding.

How to Prevent Hair Fall in Monsoon

1. Maintain Scalp Hygiene

Wash your hair 2–3 times a week to remove dirt, oil, and sweat buildup. Use a mild or anti-dandruff shampoo if needed.

2. Avoid Keeping Hair Wet

Wet hair is more fragile and prone to breakage. Always dry your hair properly after getting wet in rain or after washing.

3. Use Anti-Fungal Hair Care Products

If you experience dandruff or itching, switch to medicated shampoos containing ketoconazole or zinc.

4. Oil Hair Correctly

Light oiling once or twice a week helps nourish hair, but avoid heavy oiling that can trap dirt and worsen scalp conditions.

5. Follow a Nutrient-Rich Diet

Ensure adequate intake of protein, iron, and vitamins. Nutritional deficiencies can worsen seasonal hair fall significantly.

6. Avoid Tight Hairstyles

Tight hairstyles increase stress on already weak hair roots, leading to more breakage.

7. Manage Stress Levels

Stress can push hair follicles into the shedding phase. Regular exercise, sleep, and relaxation help control this.

Prevention Strategy Overview

When to See a Doctor

Seasonal hair fall is normal, but consult a specialist if:

• Hair fall exceeds 100–150 strands daily consistently
• You notice visible thinning or bald patches
• Dandruff or itching becomes severe
• Hair fall continues even after monsoon ends

Conclusion

Hair fall in monsoon is a combination of environmental stress, scalp conditions, and natural hair cycle changes. While some shedding is unavoidable, proper scalp care, hygiene, and nutrition can significantly reduce the severity.

If hair fall becomes excessive or persistent, it may indicate underlying issues beyond seasonal changes — and early intervention is key to preventing long-term hair thinning.