From today, face masks are mandatory in shops and supermarkets in England as the country continues it fight against coronavirus.
While some have been wearing masks for several weeks now, it will be a new experience for others - and many people have questions about them.
We've spoken to two experts to learn more about some of the things people are concerned about, including how they work, what type of mask they should buy and how to wear them.
They've also revealed the common mistakes people make when wearing masks, and explain why home made masks can only be worn for four hours.
Read more on mirror.co.uk