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 10 Hair Dryer Brushes–These Saved Us the Most Time
Achieving a bouncy blowout is about to become *a lot* faster.

You Should Be Cleaning Your Hair Dryer—Here’s Why
Experts say this simple monthly maintenance step can help keep your hair dryer running smoothly.

GH Seal Spotlight: Clairol Nice’n Easy 10 Permanent Hair Dye
This at-home hair color covers grays in just 10 minutes, with less odor and damage than traditional dyes.

What Hair Dryer Attachments Actually Do and How to Use Them
The right nozzle can smooth strands, define curls, or add lift at the roots.


The FDA Approved a New Sunscreen Ingredient for the First Time in Decades—Here’s What We Thought
We tested four new formulas with the new filter to see how they compare.

9 Best Face Moisturizers That Really Work, According to Beauty Lab Testing
According to our scientists, these dream creams are proven to hydrate all skin types, day or night.

Wrinkle Creams Make Big Claims: These 10 Had Measurable Effects in Our Lab Testing
These are the products that really work.

11 Best Teeth Whitening Products That Lighten Teeth Up to Four Shades
The most effective whiteners that actually worked in our Lab testing.

15 Best Tinted Moisturizers for Every Skin Type
These expert-approved picks give you a fresh complexion without foundation.

11 Best Dark Spot Correctors, Based on Beauty Lab Testing
You’re going to want to see these before-and-after photos.

15 Best Hair Thickening Products for Instant Volume
Top-tested creams, sprays, and more for the ultimate full effect.