Siena Gagliano
Associate Editor
Siena Gagliano is the associate editor at Cosmopolitan, where she primarily covers beauty, fashion, travel, and lifestyle. Wanna know how to get the best brows of your life? gotchu. What about how to find the best fashion deals of the season, the softest sheets on the market, or exactly how to use retinol without irritating your skin? Check, check, and check. Before joining Cosmopolitan, Siena was a writer at Bustle and several other media outlets. As her 2024 goal, she has vowed to find the best (extra) dirty martini NYC has to offer—and yes, that means ~attempting~ to try every cute cocktail spot in the city (hit her up with some recs, pls). Follow Siena on Instagram for a behind-the-scenes look at that magazine life.
- Topic Specialties
Latest from Siena Gagliano
10 Best UGG Slipper Dupes to Shop When the Originals Are Sold Out
Or when you just can't justify the price for a third pair of platform mini boots.
I Tested 17 Shampoos to Help Remove All My Hard Water Buildup—These 9 Made the Cut
It's been fading my hair color, making my ends look dry, and causing breakage.
How Much Should You Really Tip Your Stylist or Colorist at the Salon? Experts Break It Down
Your foolproof guide to tipping for *every* salon service.
9 Best Long-Lasting Perfumes, According to Cosmo Editors
We wear-tested dozens of perfumes to get here.
The 12 Best Moisturizers for Glowing Skin, Tested and Reviewed by Cosmo Beauty Editors
These are basically glass skin in a bottle.
65 Halloween Makeup Tutorials for a Truly Epic Costume Without Needing to Buy One
Can't talk right now—doing hot ghoul sh*t.
I’m a Beauty Editor With Thinning Hair—These Are the Best Shampoos, According to Years of Testing
AKA your first step to thicker, fuller looking hair.
Behold: The 15 Most Valuable Barbies
Warning: this list may cause regret, shock, and an urgent text to your mom.
If You're Using Hot Tools, You Need A Heat Protection Spray—We Only Recommend These 15
Because burnt, sizzled hair isn’t doing us any favors.
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