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Rating Ingredient
Average

walnut extract

Extract that can have antioxidant properties...

Good

walnut oil

Emollient, non-fragrant plant oil...

Categories: Plant Extracts, Emollients
Average

walnut shell powder

Abrasive used in scrub products; not preferred to polyethylene beads.

Categories: Scrub Agents
Good

water

The most widely used cosmetic ingredient; water is almost always listed first on an ingredient...

Categories: Miscellaneous
Average

watercress extract

Research indicates that watercress extracts can have antioxidant activity, but that information is limited...

Best

watermelon fruit extract

Extract from the fruit Citrullus lantus, commonly known as watermelon...

Good

wheat amino acids

A blend of amino acids from wheat protein after it has been broken down via hydrolysis. Most often...

Categories: Miscellaneous, Hydration
Good

wheat germ glycerides

Used as emollient and texture enhancer in cosmetics.

Good

wheat germ oil

Emollient plant oil similar to all non-fragrant plant oils.

Categories: Plant Extracts, Emollients
Good

wheat protein

Categories: Skin-Replenishing
Good

whey protein

A form of protein derived from milk. An animal-derived ingredient, whey protein functions as a hair...

Average

white nettle

Contains components that can have both soothing and sensitizing properties...

Poor

white oak bark extract

Best

white tea leaf extract

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

Good

white willow

Poor

wild ginger

Good

willow bark

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

Best

willow herb

Poor

wintergreen oil

A type of mint often used to ease the discomfort of sore muscles...

Poor

witch hazel

Commonly used plant extract that can have antioxidant properties...

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!