Why Is Washing Your Mug by Hand Unhygienic?

In the workplace, most employees use mugs to drink beverages throughout the day. To protect employee health and safety, cleaning mugs is an important task that needs to be done properly. Maintaining a high level of hygiene is essential to prevent germs and illnesses from spreading between colleagues.

According to a survey carried out with Ifop, 88% of French employees wash their mug by hand at work. But this needs to be done properly in order to meet hygiene standards. So, what does hygienic hand washing actually involve? Is it really followed in companies? What are the risks of taking mug cleaning too lightly? We answer all these questions in this article.

Best practices for properly washing your mug by hand

It is important to clean your mug regularly at work, ideally after every use, to prevent germs and bacteria from building up and potentially affecting your health.

Here is the best way to wash your mug by hand at work:

First of all, it is important to rinse your mug with hot water, as this helps remove bacteria. Use mild washing-up liquid and a clean sponge. If washing-up liquid is not available, you can use a dishwasher tablet or baking soda mixed with water.

Whenever possible, avoid using sponges shared with other employees to reduce the risk of spreading germs. For more effective cleaning, using a washing-up brush is recommended, as it can help remove stubborn residue.

Make sure you clean every surface of the mug, both inside and outside, including the bottom and corners. Then rinse the mug again with hot water to remove any remaining drink or food residue and to prevent any lingering taste or smell of soap.

Once the mug has been cleaned, it needs to be dried properly to prevent bacteria from multiplying. The best way to dry a mug is to let it air-dry completely. Do not use dirty cloths or towels to dry your mug, as they can be a source of contamination.

Even if you use a dishwasher, it is important to make sure that the mug has been properly cleaned and dried, as poorly maintained machines can also become sources of contamination.

Employees should be informed about appropriate cleaning procedures to prevent cross-contamination. For example, mugs should not be washed immediately after cleaning other kitchen utensils if this could transfer bacteria.

Finally, if you work in an environment where hygiene is particularly important, such as a hospital or the food industry, stricter cleaning procedures may be necessary to ensure everyone’s health and safety. Check with your employer to find out which specific procedures apply in your workplace.

In short, to properly clean your mug at work, you need hot water, washing-up liquid and a clean sponge or brush. Rinse your mug first, wash it with washing-up liquid, rinse it again and dry it carefully. Following these steps will help keep your mug clean and hygienic for everyday use at work.

What are the risks of inadequate cleaning?

If the cleaning method described above is not carried out properly, it can lead to serious hygiene issues.

For example, if the mug is not scrubbed thoroughly enough, drink or food residue may remain inside, creating an environment where bacteria and mould can grow.

If the mug is not rinsed properly, soap residue may also remain, which can be harmful if ingested.

Finally, if the mug is not completely dried, moisture can encourage the growth of bacteria and mould.

Unsurprisingly, however, many employees do not follow this procedure, sometimes because they lack time or motivation, or simply because their company does not provide the necessary equipment for hygienic cleaning.

So what does mug cleaning actually look like in companies?

The reality of hand washing in companies

While some companies provide cleaning supplies such as sponges and washing-up liquid, most employees are entirely responsible for cleaning their own mugs, often without giving much thought to hygiene.

In many companies, employees wash their mugs in a kitchen or break-room sink. But we do not always realise that cleaning a mug with a sponge shared by everyone in the company can potentially be unhygienic for several reasons.

Sponges are ideal environments for bacteria to multiply. They are damp, warm and often contain food residue, creating perfect conditions for bacterial growth.

When you use a sponge that other people have already used to clean their mugs, you may be exposed to the germs and bacteria they have left behind, potentially increasing the risk of transmitting illnesses and infections between colleagues.

To reduce these health risks, using your own sponge is recommended. If this is not possible, disinfectant wipes can also be used, or employers can provide disposable sponges or paper towels for cleaning mugs.

However, these practices are not ideal from an environmental point of view, as they encourage single-use products and generate additional waste.

In other workplaces, employees do not have access to a break area with a sink, or the nearest sink may be too far away from their desks.

In such cases, employees use other solutions: for example, 80% of employees use the bathroom sink to wash their mug.

Washing your mug in the bathroom may seem convenient, but it can actually raise serious hygiene concerns and potentially create health risks.

Bathrooms can contain many potentially harmful bacteria and germs. Washing a mug there may expose it to bacteria such as E. coli, Salmonella or Staphylococcus aureus, which can cause skin infections, gastroenteritis and other illnesses.

Bathrooms are also often humid environments, which can encourage mould growth and potentially cause additional health problems.

It is also important to note that water available in bathroom facilities may not always be intended for drinking. Depending on the building and its water system, it may therefore not be suitable for cleaning items used for food or drink.

Using bathrooms to wash mugs can also create psychological and social concerns. Employees may consider the practice unhygienic or unpleasant, which can affect workplace relationships and the company’s image.

For all these reasons, washing your mug in the bathroom is not recommended.

If you do not have access to suitable cleaning facilities at work, you can rinse your mug and wash it properly at home. Unsurprisingly, however, very few people take the time to bring their mug home every day just to clean it.

It can therefore be useful to consider alternatives that simplify the cleaning process while ensuring a high level of hygiene.

Auum-S: the instant glass washer!

Auum offers an innovative solution designed to make employees’ daily lives easier while ensuring a high level of hygiene.

With its cleaning solution, an employee can clean their glass in just 10 seconds with one simple action: all they have to do is place the glass in the machine — almost as quick as making a coffee.

In addition, the solution is designed around an environmental commitment.

How? By using only 2 centilitres of water to wash one glass, compared with the much larger quantities typically used when washing under a tap, and by disinfecting without chemicals thanks to dry-steam technology heated to more than 140°C.

In just a few seconds, auum-S kills and removes up to 99.999% of microorganisms, including viruses, germs, bacteria, fungi, spores and yeasts.

So why not adopt a solution that is innovative, easy to use, hygienic and, above all, environmentally friendly?

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