
Soft, fresh-smelling laundry from the washing machine creates the illusion of cleanliness. But behind this illusion there is a hidden threat, because dust mites, bacteria and fungi easily survive “economical” washing at 30–40 °C. Neglecting certain rules when washing can result in allergies and itching.
Why is “warm” washing unhygienic?
Dust mites feed on dead skin cells that a person sheds during sleep. Their population actively grows if you wash at temperatures below 55 °C – this is the threshold that is considered the minimum for reliable disinfection. At 30–40 °C only superficial dirt and odors are removed, but microorganisms remain alive.
What will really work?
— 60 °C is the gold standard for cotton and linen sets. At this temperature, up to 95% of mites and most bacteria die.
– 40 °C with a long cycle and high-quality product** – a compromise for delicate fabrics, but only on condition that the drum is not overloaded and the wash lasts at least 2 hours.
— Complete drying + ironing is the final barrier: residual moisture in the folds creates ideal conditions for the proliferation of microflora.
The main questions about washing and ironing bed linen:
How often should I wash bed linen? At least once every 7–10 days. For allergies, excessive sweating or illness – every 3-5 days.
How to wash clothes at 40°C and protect your family from germs and mites? Only if you use an antimicrobial agent, a long cycle (2+ hours) and do not overload the machine. But this is not a replacement for 60°C for tick prevention.
By the way, synthetic fabrics “breathe” less well and retain moisture longer, which creates a more favorable environment for mites than natural fibers.
Do I need to iron bed linen? Yes, especially pillowcases. Ironing at high temperatures kills remaining mites and ensures dryness.




