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
7 Best Overnight Face Masks That Will Make Your Skin Glow
These leave-on masks help treat all kinds of skin concerns, from acne to dullness.
24 Beauty Advent Calendars You’ll Be Excited to Open Every Morning
Count down to the holidays with gifts from Sephora, Charlotte Tilbury, Glow Recipe, and more!
7 Best At-Home Gel Nail Kits, Vetted by Beauty Scientists
A perfectly glossy mani you can DIY at home.
How to Get Thicker Hair Naturally, According to Hair Pros
Here's what stylists and dermatologists recommend.
Hair Experts Reveal Their Best Frizz-Fighting Tricks
Hair pros explain what really works when humidity strikes.
12 Anastasia Beverly Hills Products We’ve Been Using for Years—And Still Love
These are the Anastasia Beverly Hills products worth your money.
12 Best Lip Liners for Defined, Shaped Lips, According to Testing
From drugstore to waterproof lip liners, there's a plump pout out there for everyone.
11 Best Full-Coverage Foundations for a Flawless Complexion, According to Testing
Flawless, full coverage on every skin type, from oily to dry and beyond.
8 Best Texturizing Sprays for Perfectly Tousled Hair, Reviewed by Experts
Try one of these styling sprays to bring life back to your locks.
How to Get Rid of Static Hair, According to Top Hairstylists
All the best products and quick fixes for stopping static in its tracks.
What Causes Puffy Eyes, According to Dermatologists
How to get rid of undereye bags in the morning, instantly and permanently.