Detergent - Cleaning with water only?

Detergents are washing-active substances that remove grease from the surface. They envelop the dirt particles, which can no longer clump together or settle. If dirt is removed with the help of cleaning agents and then removed from the surfaces to be cleaned, this is called "wet cleaning". To protect the environment, only readily biodegradable agents should be used.


Food should not be cleaned with detergents, as residues can remain on them, which are then eaten. Here, the cleaning under running drinking water is sufficient, whereby dirt is removed and the number of microorganisms is reduced. In areas with unclear hygienic conditions (eg on vacation), fruit, but also vegetables that are eaten raw, should be peeled or boiled. Also food of animal origin (eg poultry or fresh fish) should be cleaned under running water before preparation.

body cleansing

During body cleansing, dirt, sweat or even small skin particles can be removed with soap. Whether this is really necessary or cleaning with clear water is sufficient, is an individual decision. It should be noted, however, that the skin is a stable "ecosystem" that is kept in balance by the naturally occurring micro-organisms (the skin flora) and is disturbed by excessive cleansing (and especially by disinfection).

Kitchen and Bathroom

Thorough cleaning with cleaning agents will release dirt particles (especially fat and protein). Over 90% of all surface germs are removed. However, caution is advised when using special cleaner concentrates in the sanitary sector. A mixture of acidic and alkaline detergents is dangerous because of possible gas formation. Warnings regarding the formation of toxic gases or corrosive effects must be strictly observed!

An addition of disinfectants is not necessary when cleaning the kitchen and bathroom. They only unnecessarily burden the wastewater. In an average German household, the largest germ-killing is the refrigerator with over 11 million germs per square centimeter, followed by the rinsing sponges with 4 million germs per milliliter of wringing water (of which 2500 can cause diarrhea). The kitchen floor brings it after all to 10, 000 germs per square centimeter. Since the toilet with 100 germs per square meter is almost clinically pure!

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