Mary O'Brien

Mary O'Brien is a commerce editor for Hearst Magazines based in northern Virginia. When she's not scouring the internet for the best deals and shopping trends, she is over-caffeinated with her nose in a book.

Topic Specialties: Beauty & Style
Lifestyle
Health & Fitness
Food

Latest from Mary O'Brien

Woman modeling strapless black lingerie with stickers around.

The 10 Best Backless Bras That Actually Stay Put

Two words: Invisible. Support.

Jun 22, 2026

makeup brush on silicone pad with foaming sigma brush cleaner

The 13 Best Makeup Brush Cleaners

Cleaning your brushes is more important than ever.

Aug 15, 2021

The 12 Best Makeup Train Cases to Keep All of Your Products Organized

You'll never go back.

Aug 10, 2021

10 Best Hair Combs to Detangle Every Hair Type

Snags? Don't know her.

Jul 6, 2021

11 Best Eyebrow Stamps, Stencils, & Kits for Crazy-Defined and Super-Even Arches

Meet the beauty product you never knew you needed.

Jun 12, 2021

The 20 Best Fanny Packs That Will Change Your Mind About Them

We're on board with this style.

Mar 13, 2021

The 5 Best Nail Drills to for a Cutting Edge Manicure

Dec 22, 2020

The 10 Best Body Exfoliators for Perfectly Polished Skin from Head to Toe

Scrub, scrub, scrub.

Sep 20, 2020

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