If you use a high temperature (60 °C minimum) when washing your clothes, linens, kitchen and bathroom towels, yes. But microorganisms like bacteria cannot be eliminated by washing at low temperatures. Moreover, washing machines can become breeding grounds for germs if certain precautions are not taken.

Professor Charles P. Gerba is a famous microbiologist at the University of Arizona. He’s been working for a number of years on the bacteriological environment of the home and has carried out a number of studies on this subject. His work seeks to raise the general public’s awareness of the role of microorganisms in environmental hygiene. In particular, he has studied washing machines and the effect of temperature on the destruction of bacteria. The example of undergarments is quite interesting. He has demonstrated that bacteria are not eliminated if the temperature is too low and, what’s more, they can even contaminate clothing in subsequent washes by remaining in the drum of washing machines.

To save time, a number of households do short washes at 30°C without sorting their laundry.
Synthetic and artificial fibres have gained in popularity over natural fibres and often cannot be washed at temperatures above 30°C. And as they don’t need to be ironed to eliminate wrinkles, they are never rendered hygienic for those who wear them.
Low temperature washes consume less energy: a wash at 30°C can generate electricity savings of up to 40%.
There is also an entire category of clothing that cannot be washed and on which germs thrive, especially during winter.

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