True
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b6eb977c-b2b7-49a8-a301-0e1f1b273f91

Ingredient Dictionary

Good

ectoin

Skin-softening ingredient that also functions in cosmetics as a stabilizer. There's limited research... Read More »

Categories: Miscellaneous

Good

EDTA

Acronym for ethylenediaminetetraacetic acid, a stabilizer used in cosmetics to prevent ingredients... Read More »

Categories: Miscellaneous

Poor

environmental damage

Occurrence that takes place at an atomic level and is a complex physiological process. Molecules... Read More »

Categories: Miscellaneous

Good

erythrulose

Substance chemically similar to the self-tanning agent dihydroxyacetone. Depending on your skin... Read More »

Categories: Miscellaneous

Good

ethoxydiglycol

See solvent

Categories: Miscellaneous

Good

ethylhexylglycerin

A synthetic skin-conditioning agent used as a preservative or as a carrier or suspending agent for... Read More »

Categories: Miscellaneous, Preservatives

Average

fish cartilage extract

May have water-binding properties, but there is no research showing that this has any benefit for... Read More »

Categories: Miscellaneous

Average

flavor

According to the U.S. Food and Drug Administration, the term "flavor" on a product label signifies... Read More »

Categories: Miscellaneous

Average

fruit acid

See sugarcane extract

Categories: Plant Extracts, Miscellaneous

Good

glucose oxidase

Glucose oxidase is an enzyme that catalyzes the oxidation of the sugar glucose. Read More »

Categories: Miscellaneous

Average

glutamic acid

Amino acid derived from wheat gluten. It can have water-binding properties for skin. There is no... Read More »

Categories: Miscellaneous

Good

gluten ingredients

Gluten is a protein that occurs naturally in many types of grains, including wheat, rye, and barley. Read More »

Categories: Miscellaneous

Poor

gold

An ingredient that seems luxe and helpful but is actually a frequent contact sensitizer… Read More »

Categories: Sensitizing, Miscellaneous

Good

guar hydroxypropyltrimonium chloride

See quaternium ammonium compounds , polymer

Categories: Thickeners/Emulsifiers, Texture Enhancer, Miscellaneous

Good

hydrolyzed vegetable protein

Composed of various protein substances derived from vegetables and broken down by water to form a... Read More »

Categories: Hydration, Miscellaneous

Poor

hydroxyethylpiperazine ethane sulfonic acid

Also known by the acronym HEPES, hydroxyethylpiperazine ethane sulfonic acid is a buffering ingredient typically used to... Read More »

Categories: Miscellaneous

Good

inactive ingredient

The list of inactive ingredients is the part of an ingredient label that is not regulated by the... Read More »

Categories: Miscellaneous

Good

isobutyl acetate

See solvent

Categories: Miscellaneous

Average

isocetyl salicylate

See sodium salicylate

Categories: Miscellaneous

Good

isododecane

Hydrocarbon ingredient used as a solvent. Isododecane enhances the spreadability of products and... Read More »

Categories: Texture Enhancer, Miscellaneous

Best

lactoperoxidase

Enzyme derived from milk; it has purifying benefits for skin and may be helpful for... Read More »

Categories: Miscellaneous

Poor

lady's mantle extract

Read More »

Categories: Plant Extracts, Miscellaneous

Good

laurdimonium hydroxypropyl hydrolyzed soy protein

See soy extract , quaternium ammonium compounds

Categories: Miscellaneous

Good

laurdimonium hydroxypropyl hydrolyzed wheat protein

See quaternium ammonium compounds

Categories: Miscellaneous

Good

lauroyl lysine

Amino acid derivative that functions as a skin- and hair-conditioning agent. It also contributes to... Read More »

Categories: Miscellaneous

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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 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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