| Rating | Ingredient |
|---|---|
| Best |
ubiquinoneit is a vitamin-like, fat-soluble substance.
Categories:
Skin-Soothing,
Antioxidants
|
| Good |
Ulmus fulva bark extract
Categories:
Skin-Soothing,
Plant Extracts
|
| Good |
ultramarinesInorganic pigments (of various colors) permanently listed by the FDA for external use only,...
Categories:
Coloring Agents/Pigments
|
| Good |
Ulva lactuca extractExtract from the plant known as sea lettuce, it has some soothing and antioxidant... |
| Average |
Uncaria tomentosa extractAlso known as cat’s claw, there is some research showing it to be an effective soothing...
Categories:
Plant Extracts,
Skin-Soothing
|
| Good |
Undaria pinnatifidaForm of brown algae. |
| Good |
ureaComponent of urine, although synthetic versions are used in cosmetics. In small amounts urea has... |
| Average |
Urtica dioica
Categories:
Skin-Soothing,
Plant Extracts
|
| Poor |
UVAUltraviolet A radiation. The sun produces a range of ultraviolet (UV) radiation, of which UVA and...
Categories:
Miscellaneous
|
| Best |
Uva ursi extract
Categories:
Plant Extracts,
Antioxidants
|
| Poor |
UVBUltra-violet B radiation.
Categories:
Miscellaneous
|
About the Experts
Paula Begoun is the best-selling author of 20 books about skincare and makeup. She is known worldwide as The Cosmetics Cop and creator of Paula’s Choice Skincare. Paula’s expertise has led to hundreds of appearances on national and international radio, print, and television including:
The Paula's Choice Research Team is dedicated to busting beauty myths and providing expert advice that solves your skincare frustrations so you can have the best skin of your life!