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Rating Ingredient
Poor

Zanthoxylum piperitum

Best

zinc

There is growing evidence that zinc can be a significant soothing agent and antioxidant. It also can...

Poor

zinc carbonate

Categories: Miscellaneous, Sensitizing
Best

zinc oxide

Zinc oxide is an inert earth mineral used as a thickening, whitening, lubricating, and sunscreen ingredient in cosmetics.

Best

zinc PCA

A synthetic skin-softening ingredient derived from zinc, research has shown it to have anti-aging benefits due to...

Categories: Miscellaneous
Good

zinc stearate

The zinc salt of stearic acid. It has multiple functions in cosmetics, including serving as the...

Poor

zinc sulfate

Chemical compound resulting from the interaction of zinc with sulfuric acid. There is little...

Categories: Preservatives, Sensitizing
Poor

Zingiberaceae

Poor

Zingiber officinale roscoe

Poor

Zingiber zerumbet

Good

Zizyphus jujuba fruit extract

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:

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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!