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

12 Best Heat Protectants, Tried and Tested
These power stylers can guard against hot tool damage.

6 Best Hair Straightening Brushes, Tested and Reviewed
These top-tested hair tools will give you smooth, silky hair in no time.

Everything You Need to Know About Niacinamide
This form of vitamin B3 has proven benefits for all skin types.

9 Best Non-Toxic Nail Polishes for a Healthy Manicure
What 10-free actually means.

10 Best Retinol Serums for Your Skin, Approved by Experts
Turn back time with these anti-aging serums, with picks for all skin types.

10 Best Sunscreens for Dry Skin, According to Our Testing
These hydrating SPFs for face and body soften skin as they protect from the sun.

15 Best Moisturizers to Hydrate Very Dry Skin
Derms love these hydrating picks for dry and sensitive skin.

16 Best Zinc Oxide Sunscreens, According to Lab Testing
The best zinc oxide sunscreens for face and body that won't leave a white cast.

The Best Mineral Sunscreens, According to Testing
These top-tested mineral sunscreens for face and body won't leave a white cast behind.

10 Best Sunscreen Sticks of 2024, According to Experts
You can use these on-the-go SPFs on oily skin, acne-prone skin and even over makeup.

20 Best Sunscreens for Your Face, Tested and Reviewed
The most effective everyday SPFs for any skin type.

Retinal vs. Retinol: What to Know Before You Buy
Two anti-aging superstars, one letter difference.