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

Poor

Zanthoxylum piperitum

See Szechuan peppercorn

Categories: Irritants, Plant Extracts

Average

yucca extract

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

Categories: Anti-Irritants, Plant Extracts, Antioxidants

Poor

ylang ylang

Fragrant, volatile oil that can also be a skin irritant. Read More »

Categories: Fragrance: Synthetic and Fragrant Plant Extracts, Irritants, Plant Extracts

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

Good

Ximenia americana oil

Plum oil; it can have emollient properties. Read More »

Categories: Plant Extracts, Emollients

Poor

Xi xin

See ginger extract

Categories: Plant Extracts, Anti-Irritants, Irritants

Best

xanthophyll

Also known as lutein, this is a cartenoid pigment from plants that functions as an antioxidant. Read More »

Categories: Antioxidants, Plant Extracts

Poor

witch hazel

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

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

Poor

wintergreen oil

Can be very irritating and sensitizing (Source: www.naturaldatabase.com). Read More »

Categories: Plant Extracts, 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

Average

wild yam extract

The roots of wild yams were used in the first commercial production of oral contraceptives, topical... Read More »

Categories: 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

Best

white tea leaf extract

Extract from the minimally processed buds and leaves of green tea. There is research showing that... Read More »

Categories: Antioxidants, Plant Extracts

Poor

white oak bark extract

See oak root extract

Categories: Irritants, Antibacterial/Anti-Acne, 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

Good

wheat germ oil

Emollient plant oil similar to all nonfragrant plant oils. Read More »

Categories: Plant Extracts, Emollients

Average

watercress extract

There is a small amount of research showing that dietary intake of watercress can inhibit the... Read More »

Categories: Plant Extracts, Antioxidants

Good

walnut oil

Emollient, nonfragrant plant oil. Read More »

Categories: Plant Extracts, Emollients

Average

walnut extract

Extract that can have antioxidant properties (Source: Journal of Nutrition, November 2001, pages... Read More »

Categories: Plant Extracts, 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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