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Spikes in hair fall during monsoon are usually linked to high humidity in 2026, which swells up the hair shaft and weakens it from within. This moisture also combines with sweat, causing the scalp environment to become a breeding ground for fungi, which leads to clogged follicles and also flaking or dandruff. If your hair gets wet in the rain, the acidic rainwater and pollutants can settle on your hair, causing further damage.
During monsoon, you may notice a sudden spike in hair fall. This is because the humidity in the air rises during the rainy season, and it makes the hair strands weak from the inside. High humidity also prevents sweat from evaporating, creating a persistent, damp environment at your hair roots, making them prone to breakage.
To identify if your hair fall is linked to seasonal changes, you must understand the exact reasons why hair fall increases in the monsoon season and how to control it effectively.
How Does Monsoon Weather Cause Hair Fall?
Monsoon weather causes hair fall by weakening hair strands and leading to excess sebum buildup on the scalp.
Hair health declines during the monsoon because of a combination of specific factors working together as listed below:
1. Scalp Oil Imbalance
In the rainy season, there can be higher sebum buildup on the scalp. Sweat settles on the scalp and does not dry off. It mixes with your natural skin oil, dust, and dirt to form a thick, greasy layer. This sticky buildup blocks your pores and feeds the germs that cause severe scalp irritation, creating scalp imbalance.
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Symptoms: Oily roots, flat hair, mild odour, and itching after one day of hair washing are common signs.
2. Humidity and Moisture in the Air
When humidity increases, the protective layer of the hair shaft lifts, allowing it to absorb excess atmospheric moisture and swell. When it later dries up, it creates constant friction that makes the strands weak, also called hygral fatigue. Eventually, they break easily, especially if the hair strands are handled roughly.
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Symptoms: Frizz, rough texture, tangling, snapping while combing, and short broken pieces on your towel or pillow.
3. Hair Exposure to Rainwater
Rainwater is not clean, as it carries dirty city pollution and often acid. When your hair stays wet for several hours, this dirty water settles on your scalp. This chemical mix irritates the hair roots and makes them prone to damage.
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Symptoms: Sticky scalp, dull hair, scalp itching after getting wet in the rain, and heavier hair fall when washed or dried late.
4. Fungal Infections and Dandruff
The warm, wet environment on your head is the perfect place for fungal infections to grow, especially Malassezia, which feeds on scalp oils. When this fungus overgrows, it breaks down sebum into fatty acids, causing the scalp to shed skin cells rapidly in the form of dandruff
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Symptoms: White or yellow flakes, greasy crusts, redness, a sore scalp, and increased hair fall.
5. Lack of Exposure to Sunlight (Drop in Vitamin D)
Cloudy skies mean that you will have lower sunlight exposure. This causes a drop in Vitamin D, which we get from sunlight. If you have a poor diet which lacks nutrients like Vitamin D, your hair roots may not get the right supply of nutrients to maintain hair volume during the monsoon.
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Symptoms: Widespread, prolonged hair loss, tiredness, low energy, and hair fall that refuses to stop even after the rainy season changes.
How Does the Monsoon Season Affect Your Specific Hair Type?
Atmospheric moisture interacts differently with different hair types. High humidity makes straight hair limp, and wavy and curly strands frizzy.
Because every texture handles moisture differently, identifying your hair type helps you pinpoint exactly how your hair behaves and breaks during the rainy season. Listed below is a breakdown to help assess how seasonal dampness impacts your specific hair texture:
|
Hair Type / Texture |
How the Monsoon Affects It |
|
Straight Hair |
Clogged Roots: Excess sweat and oil buildup weaken hair anchors. |
|
Wavy Hair |
Severe Tangles: High risk of pulling and breakage during brushing. |
|
Curly & Coily Hair |
Mid-Shaft Snap: Strands lose elasticity, become brittle, and snap during combing. |
|
Fine Hair |
Visible Scalp: Trapped sweat under flat hair makes roots highly visible. |
|
Thick Hair |
Scalp Suffocation: Creates a damp breeding ground for fungal dandruff and irritation. |
How To Prevent Hair Fall In Monsoon With Better Hair Care?
To successfully minimise seasonal shedding, your hair care strategy should focus on moving away from hair styling products and keeping the scalp meticulously clean. You should make sure acidic rainwater never stays at the hair roots.
Implementing these simple steps will protect hair roots without disrupting the natural moisture barrier of your scalp:
- Wash Away Dirt: Clean your hair immediately whenever your scalp feels oily, sweaty, or right after your hair gets drenched in the rain.
- Dry Your Hair Roots First: Never tie your hair up while it is still damp. Always dry your roots gently after a wash or after being out in the rain.
- Use the Right Shampoo: Switch to a mild shampoo during monsoons. If you notice flakes, redness, or heavy itching, switch to an anti-dandruff shampoo to calm the skin.
- Handle Wet Hair Gently: Wet hair is highly fragile. Avoid rubbing it roughly with a towel, brushing it hard, or pulling it into tight hairstyles.
- Maintain a Healthy Diet: Hair loss during the rainy season can sometimes be linked to a lack of proper nutrients, like vitamins. Add vitamin and protein-rich foods to your diet.
Note: Check with a professional for vitamin deficiencies before starting supplements.
Sometimes, your body deals with underlying imbalances which can starve your hair roots of essential nutrients, resulting in hair thinning.
This is not seasonal hair fall, and during these phases, it is important to identify and fix the exact internal imbalances to recover your hair health.
By targeting the exact imbalances, you can rebuild hair strength from the inside out and keep your hair roots secure all year-round.
Frequently Asked Questions
1. Does monsoon cause hair fall permanently?
Monsoon hair fall is usually temporary when it is seasonal shedding. It becomes concerning when density reduces, the parting widens, or fall continues after rain.
2. When should I worry about hair fall during monsoon?
You may have to worry when hair falls in clumps, thinning becomes visible, patches appear, itching is severe, or shedding continues beyond two to three months.
3. Does AC increase hair fall?
AC does not directly cause follicle hair fall, but dry indoor air can make hair rougher, increasing breakage if the scalp or lengths are neglected.
References
- https://www.aad.org/public/diseases/hair-loss/insider/shedding
- https://www.aad.org/public/diseases/hair-loss/causes/fall-out
- https://www.ncbi.nlm.nih.gov/books/NBK470321/
- https://pmc.ncbi.nlm.nih.gov/articles/PMC9917549/
- https://pmc.ncbi.nlm.nih.gov/articles/PMC4387693/
- https://www.ncbi.nlm.nih.gov/books/NBK499948/
- https://pmc.ncbi.nlm.nih.gov/articles/PMC7820954/
- https://pubmed.ncbi.nlm.nih.gov/34553483/
- https://www.ncbi.nlm.nih.gov/books/NBK430924/
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