When talking about the beauty must-haves, you do have your own list. Here, Selfridges asked 10 experts - from the industry's top beauty editors to their very own buyers - to reveal the one product they'd never be without. See the results below, and why these become must-haves.
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With top notes of pink pepper and Turkish rose petals, heart notes of raspberry blossom and base notes of papyrus and white amber, Byredo's Rose of No Man's Land is feminine, pretty and perfect for summer.
Byredo Rose of No Man‘s Land Eau de Parfum
NIOD Copper Amino Isolate Serum is definitely a little bit magical. It absorbs instantly and, over time, makes your skin tighter, more even-toned and practically pore-less.
Niod Copper Amino Isolate Serum 5%
Bella Bellissima White Leather Parfum
Boasting an amazing velvet-like texture, it sinks in instantly, getting to work on hydrating and combating dark circles and puffiness.
Zelens Triple-Action Advanced Eye Cream
It's the perfect consistency for normal and dry skin, has good coverage without looking unnatural, and feels absolutely weightless on the skin.
MAC's eyeshadow in Antiqued. Not only is the texture soft and chocolatey - making it a dream to blend - but the rich brown hue creates a smokey look less harsh than black but with just as much definition.
Philip Kinglsey's One More Day Dry Shampoo, which does what it says on the can: it gives you that extra day between washes without any chalky residue.
Philip Kingsley One More Day Dry Shampoo
JorgObé's Black Peel Off Mask, packed with soothing plant extracts, it's perfect for when your skin is looking and feeling congested, clearing everything out and leaving you with super-smooth, clear skin.
The very first product Laura released and she has never replaced or changed it. A genius cover-up that really does camouflage - once you've tried it, you'll wonder how you ever lived without it!
Laura Mercier Secret Camouflage
NARS Audacious lipsticks! Not only are they so intensely pigmented that they deliver the most gorgeous color, but they also boast a creamy, matte formula that feels really moisturising on the lips. And the best bit is, they come in the most beautiful range of hues,