
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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Everything You Need to Know About Alix Earle's Skincare Brand
The TikToker on breakouts, beauty rituals, and entering her biggest era yet.
By Siena Gagliano Published
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My Sharp Jawline Isn't Genetics—It's My Expert Contour Regimen
Read this to fake incredible bone structure.
By Siena Gagliano Published
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This Nail Color Is Hot, Fiery, and a Fashion Girl Favorite
Find the shade for your aesthetic.
By Siena Gagliano Last updated
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This Hailey Bieber-Loved Nail Trend Is Blooming Once Again This Spring
It's cherry blossom season.
By Siena Gagliano Published
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Mikey Madison Just Went Full Sultry With Long, Glossy Waves at the 2026 Oscars
The dramatic side part and red dress bring it home.
By Siena Gagliano Published
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I Know Exactly How Jessie Buckley Achieved Her High-Gloss Pixie at the Oscars
Such a fun look.
By Siena Gagliano Published
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I've Perfected My Hair Routine for Mirror-Like Shine
Want glass hair? Start here.
By Siena Gagliano Published
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Diet Coke Nails Are Trending—But I Don’t Want to Go Full Fizz
Here's my spring-ready, wearable take.
By Siena Gagliano Published
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This Underrated Makeup Step Locks in My Full Beat for 12 Hours
Nothing on my face is budging.
By Siena Gagliano Last updated
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Dissolving My Lip Filler Was the Best Decision I’ve Made
My little tweaks were adding up.
By Siena Gagliano Published
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Justice for Spring Pedicures, Please and Thank You
The season's best color trends deserve your attention.
By Siena Gagliano Published
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Westman Atelier’s New Launch Is the Tinted Balm’s Cooler, Chicer Sister
Low-maintenance lipstick has arrived.
By Siena Gagliano Published
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Manicures Are Getting Glossier and Moodier for March
Expect glass finishes, fine-powder cat eye, and softer seasonal shades.
By Siena Gagliano Published
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My Newest K-Beauty Fixation Has Made My Skincare Routine 10x More Efficient
Swipe ‘n go.
By Siena Gagliano Published
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Every Stylish Woman I Know Is Wearing Winter's Hottest Manicure Trend
It's the cooler cousin to cat eye nails.
By Siena Gagliano Published
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Thanks to These Eczema Creams, My Face Has Never Felt Smoother, Softer, or Less Inflamed
An application a day keeps the irritation away.
By Siena Gagliano Published
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If You Thought Patrick Ta's Blushes Were Good, Just Wait Until You Try His New Concealer
Obsessed is an understatement.
By Siena Gagliano Published
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I'm Retiring My Foundation In Favor of This New Soft-Focus Skin Tint
It's an Instagram filter in a bottle.
By Siena Gagliano Published
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I'm Counting Down the Days to Spring with My Favorite Fool-Proof Self-Tanners
A natural glow that's perfect for pale skin.
By Siena Gagliano Published
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OPI Just Turned an Iconic Salon Secret Into the Perfect Nail Shade for Spring
World, meet "OPI'm a Bubble Bunny."
By Siena Gagliano Published
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I'm Never Paying More Than $50 for a Retinol Again
My skin, and bank account, have never looked better.
By Siena Gagliano Published
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Margot Robbie’s Dress Is Made of Hair, But Her Updo Is What Deserves Your Attention
Gothic glam reimagined for 2026.
By Siena Gagliano Published
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French Tip Toes Are the Chicest Pedicure—You Can't Convince Me Otherwise
It might be winter, but my toes are always painted.
By Siena Gagliano Published
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This Minimalist Nail Polish Trend Screams “I Ski in St. Moritz”
The neutral is undergoing a chic rebrand.
By Siena Gagliano Last updated
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This Is the Only Lip Combo I'll Wear Since Dissolving My Filler
Summer Fridays just launched the liner-and-stain duo of my dreams.
By Siena Gagliano Published
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Christy Turlington Swears by This 1,000-Year-Old Wellness Ritual
The supermodel's favorite practices predate the algorithm.
By Siena Gagliano Published
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Chappell Roan's Tattoos Were the Real Star of Her Grammys Look
The nude dress, the Mugler, the fiery red hair? Chef's kiss.
By Siena Gagliano Published


