In Which Season Does Hair Fall Most? The Seasonal Shedding Guide
If you notice more hair in your brush at certain times of year, you are not imagining it: research consistently points to autumn (and often late summer) as the peak season for hair shedding, with the least in winter and spring. It is a normal, temporary seasonal pattern, most likely a mild telogen effluvium, and hair recovers on its own. Here is when it happens, the likely why, and how to support your hair through the year, plus when a season is not the real explanation.
Key takeaways
- Shedding tends to peak in autumn, and often late summer, and is lowest in winter and spring.
- It is a normal seasonal shedding pattern, not a sign of going bald.
- Losing 50 to 100 hairs a day is normal year-round; seasonal shedding is a temporary uptick.
- Good nutrition and gentle, season-adjusted care support your hair through it.
- If heavy shedding lasts beyond a season or comes with other symptoms, see a GP, it may not be seasonal.
The hair cycle, in brief
Each hair goes through growth (anagen, a few years), a short transition (catagen), and rest (telogen), after which it sheds. At any time around 10% of your hair is in the resting phase. Seasonal factors seem to nudge a few more follicles into that phase at certain times, so they shed together a little later, which is why the pattern is delayed and predictable.
When hair falls most, and the likely why
Autumn (and late summer): the peak
Studies of large groups consistently find shedding peaks around autumn. One leading theory: through summer the body keeps more hair (perhaps to protect the scalp from the sun), then releases it a few months later, so those hairs shed in autumn. Wind, humidity swings and dropping vitamin D from less sunlight may add to it.
Winter and spring: the lull
Shedding is generally lowest in winter and spring. Winter's real challenge is dryness, cold air and indoor heating dry the scalp and hair, causing breakage rather than root shedding. Spring's milder weather and returning sunlight support the growth phase.
Myths worth clearing up
- "Hair only falls in one season." No, stress, diet, illness and medication cause shedding any time of year. Seasonality is a mild overlay, not the whole story.
- "Seasonal shedding means I am going bald." No, it is temporary and recovers. Persistent, worsening or patchy loss is different and worth checking.
- "Cutting hair makes it grow back thicker." No, trimming removes split ends and improves the look, but does not change growth or thickness.
Season-by-season hair care
- Summer: protect from sun and chlorine, wear a hat, rinse after swimming, and use a gentle sulphate-free shampoo.
- Autumn: expect a little more shedding and do not panic; deep condition weekly and keep the scalp comfortable.
- Winter: focus on moisture, richer conditioning, lukewarm water, and protect hair from cold, dry air.
- Spring: a fresh trim and lighter conditioning as the weather warms.
Year-round, feed your hair well: protein, iron, zinc and omega-3s, and vitamin D especially through darker months (ask a GP before supplementing). Biotin and zinc contribute to the maintenance of normal hair.
A gentle, sulphate-free cleanser with biotin, argan oil and rosemary, kind, consistent care for your scalp and hair through every season. A cosmetic support, not a medical treatment.
View Grow MeWatermans is a UK family business that has sold over 5 million bottles since 2012. The range is vegan and cruelty-free.
Frequently asked questions
Which season causes the most hair loss?
Autumn, and often late summer, is the consistent peak; winter and spring see the least. It is a normal, temporary pattern.
How much shedding is normal?
Around 50 to 100 hairs a day year-round. Seasonal shedding is a temporary uptick above that, which settles.
Is seasonal hair loss permanent?
No, it recovers on its own over a few weeks to months. Persistent or worsening loss is not seasonal and worth investigating.
Can I prevent it?
You cannot stop the natural cycle, but good nutrition, gentle care and season-appropriate conditioning keep it mild and your hair healthy.
When should I see a doctor?
If shedding is heavy, prolonged beyond a season, patchy, or comes with other symptoms, see a GP to rule out iron, thyroid or other causes.
So, hair falls most in autumn (often building from late summer), and it is a normal, temporary part of the cycle. Support your hair with season-adjusted care and good nutrition, do not panic at the autumn uptick, and see a professional if shedding outstays its season. For more on temporary shedding in general, see our guide to how to stop hair shedding.
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