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

The 12 Best At-Home Hair Color Products, Tested on 136 Women
Our Lab spent 400 hours testing the major DIY dye brands to find the top buys for gray coverage and rich color.

14 Best Retinol Body Lotions for Radiant Skin
Use these formulas all over your body for firmer, smoother skin.

Good Housekeeping’s 2025 Beauty Innovation Awards
After testing hundreds of products, the GH Beauty Lab reveals the breakthroughs that truly deliver.

12 Best Face Washes to Remove Dirt, Excess Oil, and Makeup
Our Beauty Lab experts recommend the best cleansers for healthy skin.

The New Retinol That Gives Visible Results Starting in One Week
Get powerful wrinkle reduction without irritation.


9 Best Waterproof Eyeliners That Won't Budge
Of the 139 we tested, these are the ones that'll last through sweat and tears.

The Best Hair Products You Can Buy, According to Our Testing
These top brands guarantee healthy, beautiful hair — starting at under $10.

7 Best Teeth Whitening Strips, According to Testing
Whiter teeth are just a few strips away.

10 Best Face Scrubs, According to Our Testing
Get glowing with these face scrubs for all skin types, from sensitive to acne-prone.

13 Best Glycolic Acid Products of 2024, Tested by Experts
Brighten and smooth skin with one superstar ingredient.

7 Best Face Steamers to Purge Pores and Cleanse Skin
Relax and enjoy a professional facial experience at home with these top-tested devices.