Bleach continues to be one of the most used cleaning products in homes due to its recognized disinfectant capacity. However, its application is not always recommended. There are surfaces and areas of the house where this product can cause permanent damage to materials, compromise their durability and even increase the health risks for those who live in the space.
According to, the use of bleach requires some care. Despite its effectiveness in eliminating bacteria and other microorganisms, the product can be corrosive, cause discoloration and release potentially harmful vapors when used inappropriately.
Natural stone is among the most sensitive materials
One of the surfaces that requires the most care is natural stone. Materials such as marble, granite or quartz have characteristics that can be affected by the action of bleach.
Experts explain that the product can degrade the sealants applied to these surfaces, taking away their shine and altering their original appearance. In some cases, color changes may even appear that are difficult to reverse.
Stainless steel and other metals are also among the materials that should not come into frequent contact with bleach.
The chlorine present in the product’s composition can accelerate corrosion and oxidation processes, favoring the appearance of rust. In addition to discoloration, this deterioration can compromise the strength and structural integrity of utensils and equipment.
Wood absorbs the product
Wood is another material that experts point out as unsuitable for this type of cleaning.
Because it is naturally porous, it tends to absorb bleach, making it difficult to remove completely. This absorption can cause progressive wear of the material and create risks for anyone who comes into contact with the surface later, including children and pets.
Fabrics and painted surfaces also require attention
The same goes for colored fabrics and painted surfaces. The whitening capacity of bleach is known and, therefore, contact with colored, printed or ink clothing can result in permanent stains and loss of pigmentation.
To remove stains, experts recommend alternatives based on active oxygen, considered less aggressive for this type of material.
Children and animals increase risks
The areas of the home where children and pets spend the most time also deserve extra attention.
The use of bleach in these locations may increase the risk of accidental exposure to the product, either through contact with recently cleaned surfaces, or through indirect ingestion after touching objects or licking paws after walking on floors where the product was applied.
How to use bleach safely
The safe use of bleach also involves respecting the dilution recommendations. One of the proportions usually recommended is mixing one cup of bleach with approximately four liters of water, thus reducing the aggressiveness of the product without compromising its disinfection capacity.
According to the same source, handling must be done with appropriate protective equipment. The use of gloves helps to avoid direct contact with the skin and, in certain situations, the use of a mask can reduce the inhalation of vapors that can cause irritation to the respiratory tract and mucous membranes.
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