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The CDC Warns Against Using These 6 Face Masks – Safety Guidelines For Wearers During Covid-19

In the Covid-19 period, people are becoming far more aware of the importance of wearing masks as they can help prevent many risks from deadly diseases. However, not all face masks can do that work effectively.

The Centers for Disease Control and Prevention (CDC) has published the safety guidelines and the six types of masks that CDC does not encourage people to use. 

Let’s take a look at the CDC warnings against using these 6 face masks to collect necessary information about the masks and notice which types of mask users should avoid!

The CDC Warns Against Using These 6 Face Masks

#1 Masks That Do Not Fit Properly

Proper fit of face masks is an important factor in preventing the exposure of droplets, viruses to the nose and mouth. According to the CDC, a fit mask is the mask that hugs the face tightly, has no large gaps around the cheeks, and fits snugly around the nose. 

Masks That Do Not Fit Properly

Properly fit mask (source media1.s-nbcnews.com)

One thing users should notice is that the mask’s size in the market is not diversified and many retailers even only sell one size for all. That is the reason why wearers should determine the right size for their facial structure to get the maximum protection.

Besides, a mask that is too large or too tight can make users adjust frequently. Leann Poston, a licensed physician and health advisor for Invigor Medical, says when people keep touching the mask, the germs can get onto their fingers. Then they adhere to other surfaces, which increases the spread of infectious agents.

#2 Masks Materials That Are Hard To Breathe Through

The CDC also warned about the mask from materials that can make wearers hard to breathe. They can be plastic, leather, or thick fabric. When wearing these mask types, users have to breathe in a narrow space, which harms their respiratory process. Besides, their breath will not be filtered because unfit material masks will block the airflow.

Masks Materials That Are Hard To Breathe Through

Mask that is hard to breathe through

Furthermore, if the mask is too tight to breathe through, the droplets will spout out on the inside of the mask or drip down and become stagnant in the bottom surface when people cough or sneeze.

#3 Masks Made From Loosely Woven Or Knit Fabric

- The CDC Warns Against Using These 6 Face Masks - Safety Guidelines For Wearers During Covid-19

Mask made from loosely woven (source bestlifeonline.com)

Daniel Burnett, the chief executive officer for JustAir – an advanced face mask and purify air systems company, claimed the masks made from loosely woven or knit material would not help prevent transmission of infectious agents from the air. 

Because of the loose nature, the droplets can pass through the mask and spread in the air. Even worse, the loose materials can break them into smaller droplets and stay longer in the air, leading to an increase in the infectious process. 

For those reasons, CDC advises users to avoid the masks that are too loose if they want to protect themselves from the CoronaVirus.

#4 Masks With Only One Layer

It is clear that the masks with one layer are not enough to filter out particles effectively. CDC confirmed that face masks should have at least two or three layers since they can better execute the filter job. 

According to a medical physician in Sharp Rees-Stealy Medical Group, namely Abisola Olul, an ideal mask should have three layers. An innermost layer made of water-absorbing material can help absorb the droplets when users are coughing or talking. The second is a middle filter cloth layer (it also can have two middle layers). Lastly, an outer layer made of water-resistant material helps to prevent the droplets from the outside.

#5 Masks Have Exhalation Valves Or Vents

Many people think that masks with exhalation valves or vents are very useful as they may be easier to breathe. In fact, the CDC recommends that they can not help prevent the spreading of infectious diseases or Covid-19.

- The CDC Warns Against Using These 6 Face Masks - Safety Guidelines For Wearers During Covid-19

Masks Have Exhalation Valves Or Vents (source cdc.gov)

Through the exhalation valves and vents, respiratory droplets can escape and infect other people. As a result, some countries and most major U.S. airlines have not allowed those masks. 

Dr Niket Sonpal, a professor from New York City, suggests a simple test to see whether the mask is effective or not. To begin, the users need to hold a lighter or a candle in front of their face while wearing a mask. If they can blow out the lighter, it means the mask has gaps.

#6 Masks That Are Not Actually A Mask

Some people even think that they can use scarves or other headwear, for example, ski masks as a protected mask. It is totally wrong! CDC claimed that those made of knit fabrics and other materials are not suitable masks for preventing Covid-19.

Similar to a mask that does not fit properly, if people wear those scarves or ski masks, they have to adjust by hand frequently. 

Please choose the right mask and do not forget to bring them when going out because the scarf can not protect the body from infectious agents.

Masks That Are Not Actually A Mask

Not actually a mask (source insider.com)

Tips When Choosing And Using Face Mask

In the Covid 19 period, it is easy to understand that many people are concerned about selecting suitable masks that they can wear all day. Here are some tips for users.

- The CDC Warns Against Using These 6 Face Masks - Safety Guidelines For Wearers During Covid-19

Choosing a right mask (source sciencealert.com)

#1 Firstly, wearers should determine the mask size that fits properly. It should have firm ear loops and a bendable border at the top that users can adjust to cover their nose. It would be best if the users consider the size and do a trial before buying them.

#2 Secondly, the masks should have at least two layers; the most common is three-ply or four-ply masks. The reason is that those masks are made from water-repellent layers, which makes it comfortable to breathe and also prevents the droplets from spreading.

#3 Thirdly, remember to notice the material of the masks. Please do not choose plastic, leather, or smelly materials as these types of masks can cause discomfort and shortness of breath for users. 

Similarly, loosely woven or knit fabric are not recommended as they can not protect wearers from harm.

Dony Mask – The Reusable Mask Everyone Must Know

About DONY Garment

Being established in 2009, DONY Garment Company was first known as DONY International Corporation, one of the biggest companies in Vietnam specializing in making clothing and uniforms.

During the arrival and global spread of Covid 19 in 2020, DONY quickly responds to it by studying and manufacturing PPE. Up to now, its innovative products have been transported to various countries and continents around the world, including America, Australia, Europe, and Asia.

One of the biggest successes of DONY was on 5th June 2020 when the company donated medical supplies to the U.S. More specifically, 100,000 antibacterial gauze masks (10.5 billion VND) are sent to the U.S. people. 

In order to achieve this, the company had to overcome many testing challenges and other antibacterial mask companies. 

With this event, DONY Garment gained the trust and recognition of millions of customers worldwide and became one of the most famous companies in making masks.

Find more information about DONY Garment by clicking on this link: https://www.youtube.com/watch?v=fmcXNj569lA.

Features Of DONY Mask

- The CDC Warns Against Using These 6 Face Masks - Safety Guidelines For Wearers During Covid-19

Dony Mask

During the pandemic, more and more antibacterial mask companies have entered competitive markets in Vietnam. However, DONY is one of the few that can meet the international standard. So what benefits can this reusable mask bring to its customers? Continue reading to see the advantages of its products!

Reduce the pain: Understanding that the using time can reach up to many hours a day, DONY created these outstanding masks with the aim to reduce the pain when wearing, which occurs on almost all masks these days. The straps can be lengthened up to 270% of the original length making it easily fit on many faces.

Antibacterial feature: Thanks to three layers equipped on it, the mask remains 99,9% of the antibacterial feature after 60 washes. It can be said that the DONY mask is the first mask to have this ability. 

60 washes: The manufacturer also proved that the wearers could reuse these masks 60 times, which means it can lengthen the lifetime longer than other masks and further, save more money. 

Remember that when bringing it home, users can immediately wear it without washing.

Suitable for sensitive skin: The wearers who have sensitive skin don’t need to worry much as the DONY mask is odor-free and breathable.

For strong activities: Users can find adjustable ear loops and a nose clip on the mask. Therefore, it is clear that these masks are suitable for those who enjoy playing sports. Also, problems related to suffocation and discomfort are improved a lot.

Fungi-proofing feature: Wearers can use it for a long time without worrying about mold problems. In addition, a dust filter will help filter the air when people go to dusty and polluted places.

Customized designs: The masks have a wide range of colors and designs. After the partner choosing the pattern, DONY will start to produce and complete the shipment.

Protect the environment: Using a reusable mask is also an effective way to contribute to protecting the environment. Instead of throwing away disposable masks, wearers can wash and reuse DONY masks 60 times. Therefore, it saves up to 85% less junk when compared to disposable masks.

Benefits Of Becoming DONY Mask’s Partner

Focusing on B2B, DONY Garment sells its products to organizations, companies, and suppliers. Then these suppliers will distribute to the final users. To carry out these projects, DONY needs to produce masks in large quantities. Now the company can manufacture nearly 250,000 DONY masks a day when in need. 

Not only that, protecting the health of customers is the top criteria of the companies. In other words, what DONY aims for is the production of high-quality masks so that people can win the pandemic. 

In addition to premium products, DONY offers various benefits for their partners:

When cooperating with DONY Mask, the partner will become the unique representative of DONY in his or her area. The company transfers all the clients regarding the partner’s area under their management. Additionally, DONY has policies to protect the proprietary of their partners. 

In terms of services, the partners receive the best wholesale prices along with the priority of manufacturing the order. They also gain support in making logos and packaging freely. All the papers and certificates are supported when required by the partner.

- The CDC Warns Against Using These 6 Face Masks - Safety Guidelines For Wearers During Covid-19

Benefits Of Becoming DONY Mask’s Partner

Besides, the partners are allowed to post their information and photos on the official pages of Dony. The company also coordinates and supports the media on domestic and foreign channels.

Regarding the quality, DONY commits to take full responsibility if germs are found on the products.


The CDC Warns Against Using These 6 Face Masks – Safety Guidelines For Wearers During Covid-19” article brings to users helpful ways to protect their health with the hope that society will defeat the pandemic soon. 

In the time of COVID-19, choosing the right masks is one of the most vital factors. Hence, it would be best if people select reliable face masks for themselves, their families, and even the whole community. 

And remember that DONY is one of the best Vietnamese mask manufacturers whose products are increasingly expanding to many nations, including the US. 

Henry Pham (Pham Quang Anh), CEO of DONY GarmentHenry Pham (Pham Quang Anh), CEO of DONY Garment

This year, we have found that many international buyers are seeking new suppliers based in nations outside of China and Thailand to purchase many goods and products, including uniforms, workwear, reusable cloth face mask, and protective clothing.

At DONY Garment, we are proud to welcome international customers, especially those based in the US, Canada, the Middle East, and the EU market to discover the professional production line at our factory in Vietnam.

We guarantee our products are of the highest quality, at an affordable cost, and easy to transport across the world.

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