Catharine Malzahn
Catharine (she/her) is the former beauty assistant at Good Housekeeping, Woman’s Day and Prevention, working closely with the Good Housekeeping Institute Beauty Lab to write science-backed beauty content. She was previously an assistant beauty editor at Group Nine Media and returned to Hearst in 2022 after having held editorial internships at Harper’s Bazaar and CR Fashion Book. Catharine received a B.A. in journalism from the University of Southern California's Annenberg School for Communication and Journalism.
14 Best Retinol Body Lotions for Radiant Skin
Use these formulas all over your body for firmer, smoother skin.
17 Best Eye Creams, According to Beauty Lab Testing
Real women saw a difference in wrinkles, dark circles and puffiness using these.
15 Tinted Sunscreens That Leave You Glowing, Not Ghostly
Sheer, tinted protection for all skin types and tones — plus, no chalky residue.
8 Best At-Home Red Light Therapy Devices for Glowing Skin
Reduce texture and wrinkles with the help of these wands and masks.
12 Best Color Correctors to Help With Discoloration
After evaluating cream and liquid formulations, these are our top recommendations.
The Ultimate Guide to Rescuing Winter Skin
With sweater weather and cozy fires also come chilly temps and drier air, which can lead to pesky skin issues like dryness, chapping, flaking and redness from head to toe. But these easy GH Beauty Lab and dermatologist-approved solutions are here to save the day(s)!
11 Best Body Washes for Dry Skin in Any Season
Soothe dry, itchy skin with super hydrating formulas.
Does Hair Growth Oil Actually Work?
They may be popular, but hair growth oils may not be the magical solution you’re hoping for.
10 La Roche-Posay Products Our Beauty Experts Can't Live Without
Skincare lovers, gift yourself (or someone else) these must-have moisturizers, sunscreens and serums.
18 Best Korean Skincare Brands for "Glass Skin"
Get to know all the best brands and ingredients in Korean skincare.
30 Best Beauty Advent Calendars to Ring in the 2024 Holiday Season
Count down to the holidays with these gifts from our beauty editors' favorite brands like Dior, Bobbi Brown and Ulta.
13 Best At-Home Chemical Peels for Glowy Skin, Tested by Beauty Scientists
Our top-tested face peels will soften sensitive skin, wrinkles and more.
14 Best Affordable Perfumes That Smell Expensive
Cheap and cheerful, as they say.
10 Best Face Scrubs, According to Our Testing
Get glowing with these face scrubs for all skin types, from sensitive to acne-prone.
What Causes Puffy Eyes, According to Dermatologists
How to get rid of undereye bags in the morning, instantly and permanently.
We've Tried Dozens of Anastasia Beverly Hills Products, and These Are the Ones Worth Buying
Brow gels, eyeshadows and lip liners, oh my!
12 Best Lip Liners for Defined, Shaped Lips
From drugstore to waterproof lip liners, there's a plump pout out there for everyone.
The Best Custom Shampoos for a Personalized Wash Day
Are personalized shampoos actually worth the money?
7 Best Face Steamers to Purge Pores and Cleanse Skin
Relax and enjoy a professional facial experience at home with these top-tested devices.
10 Best Pore Minimizers for the Smoothest Skin Ever
Minimize your pores with our Beauty Lab's top picks.
6 Best Hair Straightening Brushes, Tested and Reviewed
These top-tested hair tools will give you smooth, silky hair in no time.
10 Best Texturizing Sprays for Perfectly Tousled Hair
Try one of these styling sprays to bring life back to your locks.
The Best Fall Beauty Trends of 2024 (for Less!)
No need to spend a mint to give your makeup routine a glow-up. Try the season's hottest trends with simple pro tips and GH Beauty Lab-approved product picks.
11 Best Shampoos at Walmart for All Hair Types
Affordable shampoos approved by our Beauty Lab, including the best formulas for curly hair, oily hair and more.
10 Best Face Washes for Men, According to Skincare Pros
Top picks for oily to dry skin.
12 Best Hair Brushes of 2024, Tested and Reviewed
Find the brush that is made for your specific hair type.
8 Best Microcurrent Devices, According to Testing
Which microcurrent devices actually work? We put the most popular picks to the test to find out.
10 Best Retinol Serums for Your Skin, Approved by Experts
Turn back time with these anti-aging serums, with picks for all skin types.
Jennifer Garner's Go-to Summer Sunscreen Is Less Than $10
The actress and mom revealed her must-have skincare products in honor of Melanoma Awareness Month.
7 Best At-Home Gel Nail Kits of 2024, Tested by Beauty Experts
A perfectly glossy mani you can DIY at home.
9 Causes of Dull, Tired Skin and How to Fix Them
The best remedies for treating dull skin, including products and natural solutions.
How To Get Thicker Hair, According to Hair Care Pros
Get thicker hair naturally with these expert-approved tips and products.