Ingredient Dictionary

Good

Zizyphus jujuba fruit extract

See jujube fruit extract

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

Poor

Zingiberaceae

See ginger extract

Categories: Plant Extracts, Anti-Irritants, Irritants

Poor

Zingiber zerumbet

See ginger extract

Categories: Plant Extracts, Irritants, Anti-Irritants

Poor

Zingiber officinale roscoe

See ginger extract

Categories: Irritants, Anti-Irritants, Plant Extracts

Best

zinc oxide

Inert earth mineral used as a thickening, whitening, lubricating, and sunscreen ingredient in... Read More »

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

Best

zinc

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

Categories: Anti-Irritants, Antioxidants

Average

yucca extract

Plant extract that can have anti-inflammatory benefits. Read More »

Categories: Anti-Irritants, Plant Extracts, Antioxidants

Best

yerba mate extract

Used for the preparation of the most popular tea-like beverage in South America. It has... Read More »

Categories: Anti-Irritants, Plant Extracts, Antioxidants

Poor

yarrow extract

Extract for which there is little research showing it to have any benefit for skin. What studies do... Read More »

Categories: Plant Extracts, Anti-Irritants, Irritants

Poor

Xi xin

See ginger extract

Categories: Plant Extracts, Anti-Irritants, Irritants

Poor

witch hazel

Commonly used plant extract that can have potent antioxidant properties (Sources: Phytotherapy... Read More »

Categories: Irritants, Anti-Irritants, Plant Extracts, Antioxidants

Best

willow herb

See Epilobium angustifolium extract

Categories: Antibacterial/Anti-Acne, Anti-Irritants

Good

willow bark

Contains salicin, a substance that when taken orally is converted by the digestive process to... Read More »

Categories: Anti-Irritants, Plant Extracts

Poor

wild ginger

See ginger extract

Categories: Irritants, Plant Extracts, Anti-Irritants

Good

white willow

See willow bark

Categories: Anti-Irritants, Plant Extracts

Average

white nettle

Contains components that can have both anti-irritant as well as inflammatory properties (Source:... Read More »

Categories: Plant Extracts, Irritants, Anti-Irritants

Average

Viola tricolor extract

See pansy extract

Categories: Anti-Irritants, Plant Extracts, Antioxidants

Good

Vanilla planifolia fruit extract

Extract used primarily as a fragrance and flavoring agent. The vanilla plant is a source of... Read More »

Categories: Plant Extracts, Antioxidants, Fragrance: Synthetic and Fragrant Plant Extracts, Anti-Irritants

Best

Vaccinium macrocarpon fruit extract

Latin term for cranberry. Read More »

Categories: Plant Extracts, Anti-Irritants, Antioxidants

Average

Urtica dioica

See nettle extract

Categories: Anti-Irritants, Plant Extracts

Good

Ulva lactuca extract

Extract from the plant known as sea lettuce, it has some anti-inflammatory and antioxidant... Read More »

Categories: Anti-Irritants, Plant Extracts, Antioxidants

Good

Ulmus fulva bark extract

See slippery elm bark

Categories: Plant Extracts, Anti-Irritants

Best

ubiquinone

See coenzyme Q10

Categories: Anti-Irritants, Antioxidants

Good

turmeric

Spice made from the dried, ground root of a plant; its extract is called curcumin. A natural yellow... Read More »

Categories: Plant Extracts, Antioxidants, Anti-Irritants

Good

Trifolium pratense

See red clover

Categories: Plant Extracts, Anti-Irritants, Antioxidants

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About the Experts

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 helping you find the absolute best products for your skin, using research-based criteria to review beauty products from an honest, balanced perspective. Each member of the team was personally trained by Paula herself.

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