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
12 Best Micellar Waters for Every Skin Type
Whether you have sensitive, oily, acne-prone or mature skin, we've got you covered with these picks.
14 Best Hydrating Face Oils for Every Single Type of Skin
Whether you're oily or dry, these picks make all skin types glow instantly.
14 Best Tubing Mascaras for Your Longest, Most Voluminous Lashes Ever
Like lash extensions in a bottle!
12 Best Bikini Trimmers for Smooth Skin
Shop these sensitive skin-friendly, top-rated electric razors for your smoothest shave ever.
9 Best Beauty Blenders and Makeup Sponges for Flawless Coverage
These little sponges are essential for applying and blending foundation.
8 Best Detangling Brushes and Combs to Prevent Excessive Damage
These gentle brushes melt through tangles on fine hair and thick hair alike.
13 Best Oil-Free Moisturizers for a Non-Greasy Feel
These lightweight moisturizers absorb quickly and won't leave you feeling oily.
13 Best Primers for Oily Skin to Mattify Shine
Make your skin look shine-free and flawless.
How to Treat Hormonal Acne, According to Dermatologists
Expert-approved treatments that will clear up adult acne, fast.
15 Best Face Washes for Acne, According to Dermatologists
Banish breakouts — from cystic to hormonal acne — with these effective cleansers.
The Benefits of Turmeric for Your Skin, According to Dermatologists
Say goodbye to dark spots and skin rashes and hello to a bright, glowing complexion.