Clay masks are known to reduce and absorb excess oil, helping to mattify the skin and rid pores of sebum and debris . Regular use can help prevent mild forms of acne too. And one of the best on the market is the Natural Clay Mask from Medik8 - you can also get it from Sephora .

Priced at £32, it works to refine the look of enlarged pores and restore balance to the skin. Enriched with the purifying properties of bentonite and kaolin clay, it claims to visibly clarify, refine and hydrate the skin for a more flawless-looking complexion overall. It's also formulated with nourishing actives and doesn't solidify like other clay mask formulas to ensure the skin won't be left dehydrated post use.

READ MORE: Miss Dior perfume that gets shoppers 'constant compliments' & is 'great for every occasion' £14 off For the ultimate decongesting benefits, you can use it alongside the £24 Surface Radiance Cleanse from Medik8. The multi-action face mask has a 4.9 rating from across 89 reviews .

A very pleased shopper wrote: "My skin feels amazing after this mask. I use it once a week on my 'self care Sunday' and it really helps to soften and brighten my blemish-prone skin ." To see all the best Deals, Sales and Bargains in London, check out our Facebook group .

"Love this clay mask! You can literally see it cleaning your pores and my skin feels really clear after using it ," another added, while a third commented: "This clay mask is brilliant - really clears the skin and has helped reduce blem.