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| Rating | Ingredient |
|---|---|
| Average |
quaternium-15Formaldehyde-releasing preservative used in cosmetics. It can be a skin sensitizer, as can all...
Categories:
Preservatives
|
| Good |
quaternium-18 hectoriteUsed as a suspending agent and also has emulsifying properties.
Categories:
Texture Enhancer
|
| Good |
quaternium ammonium compoundsA wide range of ingredients, called “quats” for short, that share a unique molecular structure that...
Categories:
Uncategorized
|
| Best |
quercetinA bioflavonoid ingredient from plants. Quercetin occurs naturally in red wine, tea, onions, kale, tomatoes, berries, and many other fruits and vegetables...
Categories:
Antioxidants,
Plant Extracts
|
| Poor |
quercus
Categories:
Plant Extracts
|
| Poor |
Quercus infectoria extract
Categories:
Plant Extracts
|
| Good |
quillaja extractExtract of the Chilean soap bark tree. It contains a good amount of saponins, which have cleansing,...
Categories:
Plant Extracts
|
| Poor |
quince seedUsed as a thickening agent in cosmetics, but also has skin-constricting properties...
Categories:
Plant Extracts,
Texture Enhancer
|
| Good |
quinoa oilDerived from quinoa grain, it may have disinfectant properties (Source: Journal of Agricultural Food...
Categories:
Plant Extracts,
Emollients
|
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!