This is more than just a perceived reality: Professor Jörg Faulhaber from the German Dermatological Society (DDG) points to various studies. They showed that men and women experience more hair loss in the fall as well as in the spring.

Our hair performs different functions: in summer it serves as protection from light, and in winter it serves as protection from cold. According to Faulhaber, humans change their fur in the spring and fall, similar to the animal kingdom. Now it is noticeable only by the hair on the head. During seasonal hair changes, old hair increasingly falls out and is replaced by new hair.

The hair roots enter the resting phase.

In summer, many hair roots move from the growth phase to the resting phase. “After about three months, the hair falls out and a new hair forms at the root,” says the dermatologist.

Hormones such as melatonin and possible vitamin D deficiency may influence these changes in the hair growth cycle. The exact mechanism has not yet been fully explored.

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The good news: “Seasonal hair loss is not hair loss in the strict sense of the word. Patients don’t have to worry about their hair getting smaller over time,” says Faulhaber.

When less hair grows

And if so? If after changing your hair, your hair does not grow back and becomes noticeably smaller, you should consult a doctor. Blood tests for iron or zinc deficiency, thyroid levels, and genetic hair loss may be helpful. (dpa/tar)

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