Siena Gagliano
Siena Gagliano is the Beauty Editor at Marie Claire, where she writes and edits reported features, trend stories, and expert-backed shopping roundups. Before joining the team full-time, she was an editor at Cosmopolitan, where she specialized in SEO-first beauty content and commerce strategy. Her bylines have also appeared in Allure, ELLE, Bustle, Well+Good, Popsugar, and Women's Health, covering everything from the best products for brighter, glowier skin to the science behind face mapping. Curious about the behind-the-scenes magazine life and her go-to beauty picks? Follow her on Instagram at @sienagagliano.
Latest articles by Siena Gagliano
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May Nails Say Glossy, Sheer, and a Little SparklyThis is your sign to try jelly manicures and tiny crystals.
By Siena Gagliano
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When a Pimple Gets Big and Mad, I Reach for This $10 Benzoyl Peroxide TreatmentThis acne ingredient has been saving my skin for years.
By Siena Gagliano
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I'm Loyal to This Y2K Hair Accessory and All the Fashion Girls Agree with MeQuick and easy styling is in for summer.
By Siena Gagliano
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You Need to Try This New “Air” SPF That Disappears Into Skin in SecondsLa Roche-Posay expands its Anthelios line.
By Siena Gagliano
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Fashion’s New Favorite Pattern Just Made Its Way to Your ManicureMove aside, polka dots, stripes are taking over.
By Siena Gagliano
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I'm Ditching My Self-Tanner for This Instant Bronzing Foam That Actually Smells *So* GoodA lightweight, fake tan alternative that washes off in a shower or two.
By Siena Gagliano
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For Decades, Celebrity Makeup Artists Have Used the Same $15 Body Makeup for Flawless LegsIt's a red carpet must.
By Siena Gagliano
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I'll Be Wearing the Nail Gem Trend All Summer LongKylie Jenner approves.
By Siena Gagliano
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Why Would I Spend $750 on Lip Filler When These Plumping Glosses Exist?Juicy lips incoming.
By Siena Gagliano
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This Romantic Nail Polish Shade Is Bringing Whimsy Chic to SpringIt's dreamy.
By Siena Gagliano
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The Ultimate Soft Skin Starter Pack, Coming Right UpI'm using the Sephora Savings Event to restock my summer favorites.
By Siena Gagliano
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This Minimalist Nail Polish Trend Screams "I'm Ready for Spring"The neutral is undergoing a chic rebrand.
By Siena Gagliano
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My 76-Year-Old Grandma Swears By This Five-Star Neck Cream for Firmer SkinIt's also beloved by plastic surgeons for more youthful-looking décolletage.
By Siena Gagliano
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Not to Brag, But My Hair Looks Like Liquid Glass When I Use These 10 Hair SerumsShine and strength.
By Siena Gagliano
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April's Hottest Nail Trends Are Soft Launching SpringTiny gems, matcha polish, and milky finishes lead the manicure mood board.
By Siena Gagliano
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Victoria Beckham Just Turned Water Into BronzerA water stain that gives "weekend in the Bahamas."
By Siena Gagliano
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I'm Updating My Spring Makeup Look With 5 Stunning New Blush ShadesBring in the warmth and glow.
By Siena Gagliano
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I Found an Exfoliator My Skin Likes So Much Better Than Salicylic AcidAlix Earle loves it, too.
By Siena Gagliano
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My Sharp Jawline Isn't Genetics—It's My Expert Contour RegimenRead this to fake incredible bone structure.
By Siena Gagliano
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This Nail Color Is Hot, Fiery, and a Fashion Girl FavoriteFind the shade for your aesthetic.
By Siena Gagliano
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This Hailey Bieber-Loved Nail Trend Is Blooming Once Again This SpringIt's cherry blossom season.
By Siena Gagliano
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Mikey Madison Just Went Full Sultry With Long, Glossy Waves at the 2026 OscarsThe dramatic side part and red dress bring it home.
By Siena Gagliano
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I Know Exactly How Jessie Buckley Achieved Her High-Gloss Pixie at the OscarsSuch a fun look.
By Siena Gagliano
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I've Perfected My Hair Routine for Mirror-Like ShineWant glass hair? Start here.
By Siena Gagliano
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Diet Coke Nails Are Trending—But I Don’t Want to Go Full FizzHere's my spring-ready, wearable take.
By Siena Gagliano
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This Underrated Makeup Step Locks in My Full Beat for 12 HoursNothing on my face is budging.
By Siena Gagliano
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I've Perfected My Matte Makeup Routine for Flawless, Never Flat, SkinGone are the days of dull finishes.
By Siena Gagliano


