
Katie Thomas
Katie Thomas is the Senior Beauty Editor at Marie Claire UK. With over 10 years of experience on women's luxury lifestyle titles, she covers everything from the best beauty looks from the red carpet and stand out trends from the catwalk, to colonic irrigation and to the best mascaras on the market.
Originally from Wiltshire, she spent much of her childhood in Germany and Switzerland learning to ski, but failing the language. She went to Bournemouth University, where she studied Multi-Media Journalism.
She started her career on fashion desks across the industry - from The Telegraph to Brides - but found her calling in the Tatler beauty department. From there she moved to Instyle, before joining the Marie Claire digital team in 2018. Since then she has spearheaded the beauty content across the site. She aims to inject a little bit of joy into every piece that she writes and would hate for anyone to think she takes herself too seriously.
She’s made it her own personal mission to find the best concealer in the world to cover her tenacious dark circles. She’s obsessed with skincare that makes her skin bouncy and glowy, low-maintenance hair that doesn’t require brushing and a cracking good manicure. Oh and she wears more jewellery than the Queen.
Her favourite part of the job is recommending products that she knows her friends, family and readers will love and benefit from using. As she always says, 'the best foundation is a bloody good skincare routine.
Latest articles by Katie Thomas
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I Tried the Viral Hair Spray That Adds Major Volume—I’m Never Going Back
Lives up to its name
By Katie Thomas
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It's The Brand We All Trust For Super Sleek Hair—Our Beauty Team Ranks The Best Ghd Straighteners
Not sure which ghd styler is right for you? We've got you covered
By Katie Thomas
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Introducing the Ultimate Fragrance Christmas Gift Guide, With Every Pick Approved by Expert Editors
Presented by Marie Claire
Something for all tastes and sensibilities
By Lottie Winter
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The 11 Best Hair Dryers of 2025 for Every Hair Type—Tried and Tested by Our Beauty Team
Bad hair days be gone
By Katie Thomas
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Dermaplaning 101: The Skincare Secret for Glowing, Makeup-Ready Skin—Experts Explain the Pros and Cons
Tools at the ready
By Katie Thomas
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After Testing Hundreds, Here Are the 12 Best Foundations for Oily Skin—as Tested by Beauty Editors Who Want to Stay Shine-Free All Day
Fresh, natural skin without the disco ball shine
By Katie Thomas
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Skip The Filters: These Are The Best Skin Boosting Pre-Party Treatments With No Downtime
As important as the parties themselves
By Katie Thomas
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Christmas Beauty Gift Sets Should Not Be Overlooked—As This Curated Selection Proves
Something for everyone (but mostly you)
By Katie Thomas
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Your Definitive Edit of Editor-Approved Beauty Gifts That Define Luxury
Luxury, lustre and a little bit of self-indulgence
By Lottie Winter
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Meet Your Skin's Secret Inhabitants: The Truth About The Skin Mites Living On Your Face
Don’t freak out, here’s why they’re there
By Katie Thomas
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Easy Escapes: Three Mile Beach, Cornwall Is Luxury Self-Catering, With 5-Star Service
The ultimate stress-free family retreat
By Katie Thomas
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6 Beautiful Ponytail Hairstyles You’ll Want to Try This Week—Plus Expert Tips to Nail Each Look
Ultimate ponytail guide
By Katie Thomas
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Your Hands Might Be Giving Away Your Age—Here Are The Expert-Approved Tips To Fix It
The skincare step everyone forgets
By Katie Thomas
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Burgundy Nails Are The Elegant Look That Nail Insiders Always Come Back To For Autumn
Sophistication in a swipe
By Katie Thomas
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The Search Is Over—These Are the 20 Best Mascaras in 2025 for Length, Volume and Definition
Years of trial and error...
By Katie Thomas
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Hair Tools Can Be Ridiculously Expensive—These Are The 14 Best Hair Straighteners Worthy Of Your Investment
For smooth, sleek hair (approved by beauty editors)
By Katie Thomas
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I've Never Left The House Without Mascara—Since Having The Korean Lash Lift I Haven't Worn Any
A smooth curl and natural-looking length
By Katie Thomas
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Do You Know Your Phototype? Here's Why It Might Just Be As Important As Your Skin Type For Your Routine
How to identify and apply that to your regimen
By Katie Thomas
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Cosy Candles: The 7 Best Warming Scents You'll Want to Burn This Season To Transform Your Home
Cosiness guaranteed
By Katie Thomas
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Elegant And Long-Lasting: Why Electrical Diffusers Are the Perfect Home Fragrance Solution For Autumn
Transform your space
By Katie Thomas
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A Night Cream Is the One Step That Could Make the World of Difference to Your Skin—These Are the 19 Best
The key to effective skin repair
By Katie Thomas
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I’ve Always Wanted Hair Down To My Waist—Here’s What It's Like To Live With 22" Extensions
Mermaid waves
By Katie Thomas
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Find the Best Concealer Brush in This Line Up to Ensure Faultless Application
You concealer's team mate
By Katie Thomas
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Space NK's 2025 Advent Calendar Has More Full-Sized Products Than Not—It's A Beauty No-Brainer
Sponsor Content Created With Space NK
Worth over £1150
By Katie Thomas
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Hormonal Hair Loss Is More Common Than You Think And There Are Different Types Too—Here's How To Identify And Treat Them
Expert advice
By Katie Thomas
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It’s official—the best eye creams really do make a difference, and these 17 tackle dark circles, puffiness and fine lines
Not a step you want to skip
By Katie Thomas
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Marie Claire UK Skin Awards 2025: Meet the Visionary Judges Defining the Best in Beauty
The skincare elite
By Katie Thomas


