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.
These Acrylic Nail Ideas Have Me Running to Make an Appointment With My Nail Tech
BRB, getting my nails done.
If Retinol Isn't In Your Acne Skincare Routine Already, We're About to Convince You To Add It Right Now
Pair it with other acne-fighting actives for even more power.
These 11 Treatments Will Get Rid of Whiteheads, No Popping Required (Seriously)
Clear skin this way.
Acne Scars, Melasma, and Dark Spots: The Best Products to Help Fade Every Type of Hyperpigmentation
Trying to ctrl+alt+delete my dark spots IRL.
Beauty Editors and Dermatologists Share the Best Wrinkle Serums and Creams to Smooth Fine Lines
They're legit like Botox in a bottle.
These Cream Blushes Are So Subtle and Radiant, No One Will Ever Accuse You of Blush Blindness
4 Cosmo beauty editors break down their favorites.
FYI: You Donāt 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 Theyāre 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, āyouāre so golden.ā āØ
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 KitsāThese 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, youāll be as smooth as silk.
The 12 Best Round Brushes for Every Hair Type, Concern, and Style PreferenceāVetted By Cosmo Editors
It's the key to a salon-level blowout, btw.