If you’ve noticed more hair falling out in the shower, on the pillow, or in your comb recently, it might be connected to the change in season. It can feel alarming, but seasonal hair shedding is a well-documented phenomenon. However, for men already dealing with male pattern baldness, autumn can be especially stressful.
So, why does autumn shedding happen, and how does treatment with finasteride fit into the picture?
Why do men lose more hair in autumn?
Seasonal hair shedding happens because of the natural growth cycle of hair. Each strand of hair goes through three stages:
- Anagen (growth phase): Hair grows actively for several years.
- Catagen (transition phase): Growth slows, and the follicle begins to shrink.
- Telogen (resting/shedding phase): Old hairs fall out to make way for new ones.
Studies suggest that more hairs tend to enter the telogen phase during summer, meaning that by early autumn, they are ready to shed. This means that it’s more common to notice more hair falling out around September, October, and November.
This shedding is typically temporary and part of the body’s natural rhythm. However, for men experiencing male pattern baldness, the loss may feel more pronounced. That’s because hereditary hair loss weakens follicles, making new regrowth thinner or absent.
How can you tell if it’s seasonal shedding or male pattern baldness?
One of the biggest concerns men have is whether extra hair loss in autumn is “normal” or a sign of something more permanent.
- Seasonal shedding: Usually temporary, with regrowth occurring in the following months. Hair loss tends to be diffuse rather than in clear patterns.
- Male pattern baldness (androgenetic alopecia): A genetic condition driven by sensitivity to dihydrotestosterone (DHT). It typically causes a receding hairline, thinning crown, or overall reduction in hair density that worsens over time.
If you notice your hair isn’t growing back, or if shedding is accompanied by thinning at the temples or crown, it may be male pattern baldness rather than just seasonal change.
What role does DHT play in hair loss?
DHT is a hormone derived from testosterone. In men with a genetic predisposition, DHT binds to hair follicles and causes them to shrink. Over time, this miniaturisation process shortens the growth phase and produces finer, weaker hairs. Eventually, the follicle may stop producing hair altogether.
Autumn shedding may highlight this process because the natural loss of hair makes the effects of DHT more obvious.
How does finasteride help with autumn hair loss?
Finasteride is a prescription medication that works by blocking the enzyme 5-alpha reductase, which converts testosterone into DHT. By lowering DHT levels, finasteride helps protect hair follicles from shrinkage and allows them to grow stronger, healthier hair.
Key benefits include:
- Slows or stops hair loss: Most men see reduced shedding within 3–6 months.
- Stimulates regrowth: Some men experience new hair growth in thinning areas.
- Long-term results: Continued use can maintain and protect hair for many years.
For men noticing seasonal shedding, finasteride offers reassurance that the underlying cause of male pattern baldness is being addressed, not just the temporary effects of autumn.
Is autumn a good time to start finasteride?
Yes. Beginning finasteride in autumn means you may see visible results by spring or summer, just in time for brighter days and social events. Since finasteride takes several months to show improvements, the earlier you start, the sooner you’ll notice reduced shedding and stronger hair density.
Starting treatment in autumn also aligns with the body’s natural cycle. If you’re already shedding more due to the season, beginning finasteride ensures you’re protecting against long-term loss at the same time.
What else can you do to support your hair in autumn?
While finasteride is highly effective against DHT, combining it with lifestyle and hair care habits can enhance results.
- Eat nutrient-rich foods: Iron, zinc, vitamin D, and omega-3s all support healthy follicles.
- Manage stress: Shorter days and busier schedules can elevate stress hormones, which are linked to increased shedding. Mindfulness, exercise, and good sleep help.
- Be gentle with your hair: Avoid tight hairstyles, harsh treatments, or excessive heat styling during fragile shedding phases.
Consider combination treatments: Some men use topical minoxidil alongside finasteride for added regrowth support.
When should you see a doctor?
If you’re unsure whether your hair loss is seasonal or genetic, consulting a professional can provide clarity. Online men’s chemists make it easy to discuss symptoms, access treatment like finasteride, and track your progress with medical support.
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