Danusia Wnek
Senior Chemist
Danusia (she/her) is a senior chemist in the Beauty and Personal Care Lab at the Good Housekeeping Institute where she evaluates haircare, skincare, cosmetics and beauty tools. She holds a B.S. in chemistry from St. John’s University and a M.S. in pharmaceutical sciences with concentration in cosmetic science from the University of Cincinnati. Danusia has over 15 years of experience in the personal care industry including formulation, product development, claim evaluation and performance testing. The number one skincare rule she lives by: never go to bed with makeup on.
- Topic Specialties
Latest from Danusia Wnek
We Tested 29 Skin Tightening Creams—These 13 Delivered Real Results
These powerhouse formulas were the most effective at firming and smoothing skin in our Lab testing.
Forehead Wrinkles Are Notoriously Stubborn—Here’s What Really Works to Reduce Them
No more furrowing your brow over pesky lines.
If You Deal With Redness, This Color-Correcting Sunscreen Is Worth Every Penny
GH’s senior chemist introduced me to the brand.
Sensitive Skin? What You Should Know About Hypoallergenic Perfume
The claim isn’t regulated in the U.S., but new EU rules may change what labels reveal.
I’m a Beauty Scientist—These Are the Skincare Changes I Recommend in Your 30s
It’s all about getting down to the basics.
11 Best At-Home Hair Glosses and Glazes, Reviewed by Experts
Boost your shade (and shine!) instantly.
We Tested 222 Sunscreens–These 9 Impressed Us the Most
Our Beauty Lab evaluated face and body SPFs on 3,532 testers to find the top products.
Summer May Be Ending, But Experts Say Don’t Put Away Your Sunscreen. Here’s Why.
Cooler days don’t mean UV rays go away.
7 Best At-Home Gel Nail Kits, Vetted by Beauty Scientists
A perfectly glossy mani you can DIY at home.
11 Best Peptide Serums for Smoothing Fine Lines and Wrinkles, According to Testers
The secret ingredient to smoothing and plumping skin.
I’m a Cosmetic Chemist Who Just Tested 92 Sunscreens—These Are the Biggest Mistakes I See
Spray SPFs are convenient, but how you apply it matters more than you might think.
11 Night Creams That Delivered Real Anti-Aging Results in Our Lab Tests
Our scientists took 21,384 skin measurements to find out which really work.