Why does hair fall increase during the rainy season?

             Written by: Mantasha

31 July 2025

If you have noticed extra strands on your pillow or clogging up your shower drain during monsoon season, you're not alone. Hair fall often spikes during the rainy season, and there's real science behind it.

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The excess moisture in the air causes your scalp to sweat more, making it a breeding ground for bacteria and fungus. This can weaken hair roots and trigger dandruff, both of which lead to more hair fall.

Humidity Messes with Your Scalp

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Rain may seem fresh, but it often carries pollutants, dirt, and acidic particles, especially in urban areas. If rainwater hits your scalp, it can disrupt your scalp's pH and strip away natural oils, leading to dryness and breakage.

Rainwater isn't As Pure As It Looks

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Less sunlight means lower vitamin D levels, a crucial vitamin for hair follicle health. Without it, hair can become thin and fall out more easily.

Lack of Sunlight = Weaker Roots

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Monsoon sweat and grime can make you wash your hair more frequently, but overwashing can dry out your scalp. On the flip side, skipping washes can lead to buildup.

Washing Hair Too Often

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Tips to Reduce Hair Fall During Monsoon

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Look for a sulfate-free formula that gently removes sweat and oil without stripping your scalp. Wash 2-3 times a week, depending on your hair type.

Use a Mild, clarifying Shampoo

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Use light oils like rosemary, almond, or coconut oil once a week. Avoid heavy oiling during humid days, as it can attract dirt and clog pores.

Oil Your Hair, But Not Too Much

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Never tie wet hair; it weakens roots and invites fungal growth. Dry your scalp thoroughly before stepping out, and wear a cap or scarf during the rain.

Keep Hair Dry & Clean

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Rainy days often bring low mood and sluggish energy. Practice meditation, get gentle sunlight when possible, and keep your stress in check. Chronic stress is a major hair fall trigger.

De-Stress

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