---
title: Why is a swimming cap compulsory?
description: Find out why swimming caps are compulsory in some pools and competitions. Swimming caps help with hygiene, reduce maintenance costs, and ensure fairness in swimming events by minimizing water resistance.
---
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# Why is a swimming cap compulsory?
In some swimming pools, especially in public facilities, swimming caps are compulsory, primarily for hygiene reasons. This is because hair can cause impurities in the water, which in turn leads to more chemicals being used in the water. Hair can also clog filters and pumps in swimming pools. Wearing swimming caps reduces such problems and can therefore help to minimize maintenance costs.
Another reason for mandatory swimming caps arises in connection with swimming events and competitions. The swimming cap minimizes water resistance. If every participant wears a swimming cap, the competition conditions are standardized and fair, as everyone has the same resistance.
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