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    Siena Gagliano

    Siena Gagliano

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    Beauty Editor

    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

    Bryce Dallas Howard Doing Well
    Bryce Dallas Howard Taps Frequency Healing and Silly Animal Videos for Her Daily Wellness Reset

    Her advice: laugh more, feel more.

    Beauty
    • Close-up shot of a BIAB manicure.
      I Tried the BIAB Manicure Trend—Now I'll Never Go Back

      "Builder in a Bottle" is the latest trend sweeping the nail industry.

      By Siena Gagliano

      Beauty
    • Siena Gagliano Summer Skincare Routine
      Glow from Head to Toe With My Beauty Editor-Approved Summer Skincare Routine

      I treat the skin on my face and body as one full system.

      By Siena Gagliano

      Skincare
    • Nordstrom Beauty
      Nordstrom's Half-Yearly Sale Offers 60 Percent Off Your Summer Beauty Glow-Up

      Hydrated skin, vacation-ready makeup, and frizz-proof hair all await you.

      By Siena Gagliano

      Beauty
    • in flight skincare
      The TSA Loves to See Me and My Travel-Friendly Skincare Routine Coming

      It's me and these minis against the world.

      By Siena Gagliano

      Skincare
    • 1x1_Listing Image-1
      We All Make These Sunscreen Application Mistakes—Here's How to Fix Them

      Wearing SPF is one thing. Wearing it right is another.

      By Siena Gagliano

      Skincare
    • The Marie Claire Beauty Team Can't Stop Talking About These 10 New Sunscreens

      2025’s SPFs are in a league of their own.

      By Siena Gagliano

      Skincare
    • Nars Afterglow
      My New Favorite Lip Oil Transformed Me Into a Yacht Baddie In Just One Swipe

      The kind of bronze shimmer that transports you to the French Riviera.

      By Siena Gagliano

      Beauty
    • Bella Hadid Cannes
      The Queen of Cannes Has a New Crown—and It's Honey Blonde

      Bella Hadid's new summer hair is off to a very French start.

      By Siena Gagliano

      Beauty
    • Patrick Ta Body Oil
      My Skin Hasn't Seen the Sun in Months, But This Body Oil Says Otherwise

      Patrick Ta's newest drop gives a vacation glow without the vacation.

      By Siena Gagliano

      Beauty
    • Laura Harrier
      Laura Harrier's Glowy-Not-Greasy Complexion Is Courtesy of a $14 Drugstore Setting Spray

      Locked in "from the carpet to the dinner and to all the after parties."

      Beauty
    • Meghan Thee Stallion
      Do We Spy a Leaning Tower of Diamonds, or Is That Megan Thee Stallion’s Hair?

      Her Met Gala hairstyle reached new, sparkling heights.

      By Siena Gagliano

      Beauty
    • Zendaya Met Gala
      Zendaya's 2025 Met Gala Makeup Is Going on My Bridal Beauty Board

      Feminine and edgy, all in one.

      By Siena Gagliano

      Beauty
    • starface x marc jacobs
      Skincare and Streetwear Merge for the Latest Cross-Industry Collab

      Everyone's favorite pimple patches team up with a fashion icon.

      By Siena Gagliano

      Beauty
    • Amazon Beauty Sale Vacation
      I'm Going on Vacation Next Week—These 15 Amazon Beauty Sale Finds Are Coming With Me

      Don't sleep on these warm weather staples.

      By Siena Gagliano

      Beauty
    • Sephora under 50
      Why Would I Splurge on Beauty Products When These Under-$50 Sephora Finds Exist?

      How an editor really shops.

      By Siena Gagliano

      Beauty
    • Siena Gagliano morning routine
      I Hate Mornings—But This 15-Minute Soft Glam Routine Never Fails Me

      From a $12 moisturizer to a $120 hydrating serum, I'm a master of the high-low aesthetic.

      By Siena Gagliano

      Beauty
    • Taylor Townsend doing well
      Taylor Townsend Sea Mosses Her Way to Better Wellness

      The tennis star serves up self-care between sets.

      By Siena Gagliano

      Beauty
    • Lip glosses
      Trade Your Multi-Step Lip Care Routine for One Do-it-All Gloss

      Hydration, pigment, and longevity.

      By Siena Gagliano

      Beauty
    • Giorgio Armani Mascara Review
      I Ended a 10-Year Relationship With My Drugstore Mascara for This Unbelievably Good Luxe Option

      Wait until you see the results.

      By Siena Gagliano

      Beauty
    • sephora sale
      I'm Tossing My Luxury Beauty Products for These Under $50 Sephora Sale Finds

      High performance at a low price.

      Beauty
    • Sephora Sale Mature Skin
      According to Women Over 50, the Sephora Sale Holds Mature Skin Beauty Treasures

      On a mega discount, no less.

      By Siena Gagliano

      Beauty
    • Solid Perfume
      Next-Gen Perfume Has One Purpose: To Stay on Your Skin

      Solid fragrances take lasting power to a new level.

      By Siena Gagliano

      Fragrance
    • mikey madison snl
      Mikey Madison Took Over Her 'SNL' Weekend With Glam From the Stage to the NYC Streets

      Enter: Red nails, Hollywood hair, and soft pink lips.

      By Siena Gagliano

      Beauty
    • Doechii GLAAD
      Doechii Deserves Another Award for Her Stunning GLAAD Glam

      She won't stop delivering.

      By Siena Gagliano

      Beauty
    • edible perfume brand amorecco
      Consider This a Beauty PSA: Please, Do Not Eat Your Perfume

      The trend is... cute, but not the best idea.

      By Siena Gagliano

      Beauty
    • meghan markle beauty routine
      Meghan Markle May No Longer Be a Working Royal but Her Beauty Routine Still Reigns Supreme

      These eight products are the secret to her flawless skin.

      By Siena Gagliano

      Beauty
    • different types of face masks
      I Swapped My $300 Facial Habit for This 20-Minute DIY Treatment and Never Looked Back

      It made my skin look like a flawless plane of glass.

      By Siena Gagliano

      Skincare
    • woman with glowy skin
      I've Tested Hundreds of Liquid Foundations—These 12 Give My Skin a Radiant Filter Effect

      Airbrushed complexion, coming in hot.

      By Siena Gagliano

      Beauty
    • cold brew coffee
      The 9 Best Cold Brew Coffee Makers to Level Up With

      And no, it's not the same as iced coffee.

      By Siena Gagliano

      Food cocktails
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