Catharine Malzahn
Contributing beauty writer
Catharine Malzahn is a contributing beauty writer at Cosmopolitan and was previously the beauty assistant at Good Housekeeping, Woman's Day, and Prevention.
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Latest from Catharine Malzahn
FYI: You Don’t Have to Squeeze Your Skin to Get Rid of Blackheads, According to Dermatologists
Instead, try these expert-approved ingredients.
Everything You Need to Know About Sulfates for Hair, Including What They Do and if They’re Actually Bad
Welcome to sulfate school.
HBD! 15 Nail Designs Fitting to Make You the Center of Attention on Your Birthday
No matter what your sign is.
Wanna Learn How to Grow Your Hair Fast? Start With One of Our 11 Expert-Approved Tips
Rapunzel, Rapunzel, let down your hair.
Wanna Feel Like A Million Bucks? Try One of These Gold Nail Looks This Month
In the words of Harry Styles, “you’re so golden.” ✨
18 Eye Creams That Help Deflate Bags and Puffiness, Tested and Reviewed by Very-Tired Cosmo Editors
We asked dermatologists what ingredients actually work (and tried them for ourselves).
We Tested All of the Popular At-Home Gel Nail Kits—These 10 Are Replacing Our Salon Visits
It's officially salon breakup season.
The Definitive Guide to Every Possible Way to Remove Hair on Your Face
From dermaplaning tools to electric shavers, you’ll be as smooth as silk.
The 12 Best Round Brushes for Every Hair Type, Concern, and Style Preference—Vetted By Cosmo Editors
It's the key to a salon-level blowout, btw.
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