Ingredient Dictionary


Zanthoxylum piperitum

See Szechuan peppercorn

Categories: Irritants, Plant Extracts



Group of minerals used as an absorbent in cosmetics. Zeolites been shown to have anticancer... Read More »

Categories: Absorbent



There is growing evidence that zinc can be a significant anti-irritant and antioxidant. It also can... Read More »

Categories: Anti-Irritants, Antioxidants


zinc carbonate

See calamine

Categories: Miscellaneous, Irritants


zinc gluconate

Combination of zinc with a form of glucose (a sugar) that is commonly used in cold lozenges for its... Read More »

Categories: Miscellaneous


zinc oxide

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

Categories: Antioxidants, Thickeners/Emulsifiers, Anti-Irritants, Coloring Agents/Pigments


zinc PCA

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

Categories: Miscellaneous


zinc phenolsulfonate

Antimicrobial agent that can also be a skin irritant. Read More »

Categories: Irritants, Antibacterial/Anti-Acne


zinc stearate

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

Categories: Slip Agents, Thickeners/Emulsifiers, Coloring Agents/Pigments


zinc sulfate

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

Categories: Irritants, Preservatives


Zingiber officinale roscoe

See ginger extract

Categories: Irritants, Anti-Irritants, Plant Extracts


Zingiber zerumbet

See ginger extract

Categories: Plant Extracts, Irritants, Anti-Irritants



See ginger extract

Categories: Plant Extracts, Anti-Irritants, Irritants


Zizyphus jujuba fruit extract

See jujube fruit extract

Categories: Plant Extracts, Antibacterial/Anti-Acne, Anti-Irritants

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Paula Begoun is the best-selling author of 20 books on skin care and makeup. She is known worldwide as the Cosmetics Cop and creator of Paula's Choice. Paula's expertise has led to hundreds of appearances on national and international television including:

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The Paula's Choice Research Team is dedicated to busting beauty myths and helping you solve your skincare frustrations with research-supported expert advice—so you'll have the facts you need to take the best possible care of your skin.

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