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How to buy the best face covering

Find out about the different types of face mask and reusable covering, and how to choose the best for you
Anna Studman
Woman with homemade mask on phone

Face masks are still encouraged in certain places and situations to help limit the spread of Covid.

Evidence shows that good quality reusable cloth face coverings can provide an effective barrier for particles and droplets that could spread the virus.

It is primarily about protecting others, but can also provide protection to the wearer depending on the type of mask - more so if you opt for a higher-grade medical mask.

If more people are wearing a face covering in high risk scenarios, such as crowded and poorly ventilated spaces, there is a level of communal protection as less potentially harmful droplets are being expelled into the air.

However, it's important to wear them properly, and to still maintain other key measures such as social distancing and good hand hygiene.

See our guide to wearing and washing face masks, and discover the best reusable face masks and coverings we recommend.

Face covering rules in the UK

Across the UK, face masks are no longer a legal requirement.

Instead government advice is to 'consider' wearing a face covering in crowded, enclosed spaces, and to wear one if you have to be indoors with other people and you have Covid symptoms.

Face coverings are no longer mandatory on Transport for London tubes, trains or buses, although wearing a face mask is still ‘strongly encouraged’. 

They also may be required in certain medical and care settings - hospitals and care homes may make rules at their own discretion. 

What is the evidence for face masks?

There is evidence that cloth face coverings can help reduce the risk of transmission in some circumstances, when used correctly and widely. 

Face masks are meant to prevent both larger droplets and smaller aerosol particles we exhale from spreading, by capturing these particles as they exit our airways when we cough, sneeze or talk.

How to buy the best reusable face mask

Reusable face coverings come in many different designs: from pleated cotton masks, to moulded masks, those with disposable filters and face coverings with special antimicrobial coatings. 

Some masks with clear panels are also available for those who rely on lip reading to communicate.

There are now also a variety of 'semi-reusable' masks that you can wear and wash a set number of times before replacing them.

Disposable masks are useful in some situations, but they're also a less sustainable option - both in terms of cost over time and impact on the environment, though the latest advice is you can re-use them if you proceed with care

See more in our guide to disposable vs reusable masks, and our story on whether you need to upgrade your face mask

Bear in mind, a homemade cloth mask doesn't conform to any particular standards as it's not a medical product (though there are voluntary ones in place), so it pays to be vigilant about who you buy from, and know what to look out for.

Types of reusable mask

Pleated masks - these are some of the simplest designs, using a rectangular piece of fabric, usually cotton, with pleats to fit to the face. Many of these have filter pockets to add a disposable filter between the layers.

Moulded masks - another of the most common and simple mask designs, these masks are more moulded to the face and may provide a closer fit. They sometimes have a vertical seam, which has been criticised as a potential source of leakage. Some of them also have a filter pocket. Look for multiple-layered moulded masks, and ideally with built-in cloth layers rather than a disposable filter.

Semi-reusable masks - are made from similar materials to disposable masks, but can be worn and washed a set number of times before they needs replacing. 

Valved masks - be wary when buying a mask with a valve as a lot of the time the valve only filters air coming in, and not the air you exhale, which negates the point. Some of the higher-tech masks that have been manufactured since the pandemic began may filter both ways, but this is not the norm.

Clear face masks - widespread adoption of face coverings has created communication problems for a lot of people who rely even in part on lip-reading to  communicate, so there are face masks available that have a clear panel so that people can still lip-read. These come with their own issues, like the clear panel fogging up. It's also important to make sure these masks are still safe and breathable.

Clear face masks - what to know before you buy

Types of face mask fabric

Cotton tightly woven cotton is good at filtering particles, as proven in ours and other face mask tests around the world. But it's important to use multiple layers, and ideally, combine a few different types of fabric.

Polypropylene polypropylene is a synthetic non-woven material which has good filtration and moisture-wicking properties. It is the same material used for disposable face masks. 

Polyester polyester can be good for filtration and moisture-wicking but, like cotton, needs to be used in multiple layers. Some commuter-style masks use polyester or spandex on the outside and a more breathable/comfortable cotton layer on the inside to improve comfort for regular use.

Silk is usually tightly woven, so should be good at filtering particles. Silk may be good at repelling water droplets, which would make it less susceptible  to absorbing virus-laden droplets - but this hasn't been conclusively proven.

If you'd rather make your own, see our guide to making your own face covering.

Face mask features 

Filters and filter pockets 

Some reusable masks include a pocket where you can slip in a replaceable filter as an extra layer. 

Commercially-made masks may come with a more high-tech filter supplied, but you can also use kitchen paper or a coffee filter in a pinch. 

Filters manufactured specifically for masks are usually sold separately and often made from melt-blown nanofibres (often polypropylene), which can filter microscopic particles similar to those used in industrial and medical-grade masks.

In our tests, face coverings with disposable filters did really well at blocking bacterial particles, but they were a bit harder to breathe through, and they're also not completely sustainable as you need to dispose of the filters regularly, in some cases after each use.

Multiple layers 

Try to go for multiple layers - our tests showed a clear difference between single-layer face coverings and those with a double or triple layer. 

It tends to be better if your multiple layers are made from different fabrics. 

Single-layer face coverings were better than nothing at all, but in some cases only marginally.

The WHO suggests the ideal combination of material for non-medical masks is three layers consisting of: 

  1. An innermost layer of a hydrophilic (moisture absorbing) material (e.g. cotton or cotton blends);
  2. A middle hydrophobic (moisture repelling) layer of synthetic non-woven material such as polyproplylene or a cotton layer which may enhance filtration or retain droplets. These often come as disposable filters you buy alongside the mask.
  3. An outermost layer made of hydrophobic material (e.g. polypropylene, polyester, or their blends)

Nose wire 

Some masks have a built-in metal wire, or a foam nose seal, across the bridge of your nose to help mould the mask close to your face to prevent gaps where air can leak out, and to keep it in place. This can also be helpful if you wear glasses, to help prevent them steaming up.

Ear loops 

Different masks have different ways of fastening to your face: common examples are elastic straps or fabric ties. 

To reduce the risk of infection, you need to be able to remove the mask just using the straps and not touching your face or the front of the mask. 

It's worth checking these have enough give, so they aren't uncomfortable to wear but still help the mask fit closely to your face. Some handmade masks may use ribbons or fabric ties instead, and some that go around your head instead of sitting behind the ears. 

Which type works best depends on the construction of the individual masks and your preference, but look for ties that are likely to be comfortable and offer a snug fit.

Adjustable ear loops can help with this, or you can twist ear loop once to create a tighter fit.

The bottom line: fit matters

The features above can help you get a good fit around the face, but ultimately the design of the face covering is the most important thing. Make sure it moulds to your face comfortably and snugly, so there are minimal gaps for air to escape, while staying easy to breathe in. 

Antimicrobial coatings

There are an increasing number of face coverings that claim to kill germs; from silver and copper infused masks to snoods with special antimicrobial coatings.

These face coverings are meant to attack bacteria and viruses that come into contact with the mask, carrying with them the tempting promise of extra protection for the wearer, and the need for less frequent washing.

Here's what you should know before buying one:

  • While some of this technology is exciting, we don’t know enough yet about the real-life effectiveness of these products
  • Make sure you check the washing instructions, as some can’t be washed in the normal way, or as often
  • Some take several hours to inactivate viruses, so don't assume it's instant
  • Where possible, look for evidence of independent assessments or certification on product websites - some conform to a specific standard for antiviral textiles 
  • With most, the coating has a limited lifetime before it's no longer effective
  • It's still important to maintain other hygiene measures
  • There have been some safety concerns raised about antimicrobial agents used in masks like these, including graphene, which is still widely used (it's now been banned in Canada and some European countries). Under Armour's antiviral Sportsmask was withdrawn from sale in the EU due to concerns about a chemical used in the mask.

Find out more in our full story on antiviral face masks.

How much should you pay for a mask?

Prices vary from around £1 to more than £40. Most high street face coverings fall in the £5-£15 price range, but those made with silk or special antimicrobial coatings tend to be pricier.

Good reusable masks don't need to be expensive though. Several of our Best Buy face coverings cost less than £2 per mask.

Face masks for kids

Masks are currently not legally required in the UK. Across the pandemic, children under a certain age have been exempt from wearing face coverings:

  • Northern Ireland - children under 13 don't have to wear face coverings
  • England and Wales - children under 11 are exempt 
  • Scotland - children under five are exempt 

For very young children, face masks may pose a suffocation risk. Social distancing and hand hygiene are the best approaches for keeping them protected.

Even with older children, the difficulty is in ensuring they use face masks properly, adhering to the hygiene guidelines, so a comfortable fit is key.

If you're buying a mask for a child, look for those that come in a kid's size - several of our Best Buy face coverings come in a kid's size option.

Face masks and hearing loss

Face masks make it more difficult to communicate generally, but particularly for people who are deaf or have hearing loss, as masks block important non-verbal cues like facial expressions, and prevent lip-reading, both of which are also crucial when communicating in British Sign Language. 

The RNID (Royal National Institute for Deaf People) has a communication tips card to help people with hearing loss and those communicating with them.

The tips include:

  • speaking clearly, but not shouting
  • moving to a place with less background noise
  • writing things down
  • using simple gestures
  • using assistive devices like remote microphones with hearing aids if you have hearing loss.

Some charities have called for the adoption of face masks with a see-through panel so that people can still lip-read, and there are masks like this available - though be aware of the panels steaming up or the plastic making the masks uncomfortable to breathe in. 

Face masks with ear loops can be a pain for people who wear hearing aids or cochlear implants.

The RNID has reported a rise in people losing their hearing aids while putting on and taking off their face mask. It recommends face coverings which tie around your head and don’t touch your ears, to keep your hearing aid or cochlear implant secure.

You should try to only remove your face covering when you are in a place where your hearing aid or cochlear implant processor could be easily found if it falls out.

If you do have a face mask with elastic ear loops, you can try buying a cheap mask extender (above), which links the straps at the back of your head. You can buy these, or make your own. The RNID has worked with the insurance provider More Th>n to offer free mask extenders to customers who've made a claim for lost hearing aids.

Other types of face covering

Cycling /commuter masks These are designed to filter out pollution for road and city commuters, and are usually made from a fabric such as neoprene. They are close fitting and have in-built filters (which need to be changed regularly) and valves for easier breathing. They tend to be thicker and bulkier than masks for general use, and are generally more expensive (around £25-£30). The exhalation valve means they won't protect others, as you can still exhale unfiltered particles, so they aren't suitable.

Dust Masks These vary from relatively basic, to higher-filtration masks for construction work, similar to those used in medical settings. Most are single or limited use and have exhalation valves, which make it easier to breath but don't filter the air you breath out. This means they aren't suitable for protecting others from viral particles you might exhale.

Scarves/bandanas/ski buffs The lowest-effort option is also probably the least effective. In fact, they may even be counterproductive as they can easily become contaminated, move around a lot and are unlikely to fit snugly to the face. Ski buffs in particular are difficult to remove without touching the front, so should be avoided.