How a Hot Bath Works

A swimming spa gives our body a fever-like state – this means blood redistributes throughout the body and the focus shifts to our heart and lungs. The kidneys are also activated and secrete more fluid than usual. 

The heat of the water can also cause the body’s core temperature to rise and the immune system is stimulated. All this has a positive effect on the body and health.

You should bear this in mind when taking a relaxing bath: For a relaxing bath, the water temperature should be around 36 to 38 degrees Celsius.

The outside temperature in the bathroom should be around 25 to 30 degrees Celsius – this way the pleasant body feeling can be maintained even when you get out of the tub.

However, you should not enjoy the comforting bath for too long: staying in the tub for too long damages the natural protective barrier of the skin, which is why a maximum bathing time of 20 minutes is recommended. 

A warm bath stimulates blood circulation and thus relaxes the body. This is due to the heat, which widens the blood vessels and thus drives the transport of nutrients in the blood.

On the other hand, buoyancy in the water also promotes relaxation of the muscles and joints. 

So if you suffer from tension or sore muscles, it is best to lie down in the warm tub. Ideally, you should add a suitable bath additive to the water, for example, extracts from hay flowers or arnica for muscle tension. Arnica is particularly effective in treating rheumatism, as it is said to have anti-rheumatic properties.

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