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Rating Ingredient
Best

ecamsule

Sunscreen ingredient that provides UVA protection...

Categories: Sunscreen Actives
Best

Echium plantagineum seed oil

A novel, non-fragrant plant oil that's a rich source of saturated fatty acids...

Categories: Emollients
Good

ectoin

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

Categories: Miscellaneous
Good

EDTA

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

Categories: Miscellaneous
Best

egg yolk

Egg yolk is mostly water and lipids (fats), especially cholesterol, which makes it a good emollient...

Best

eicosapentaenoic acid

Fatty acid derived from salmon oil; it is a good emollient and replenishing ingredient for skin.

Best

Elaeis guineensis

Good

elderberry

Also known as black elderberry or Sambucus nigra, this plant has potent antioxidant properties...

Poor

elecampane

Latin name Inula helenium; it is a plant that can be very sensitizing to the skin...

Best

ellagic acid

Potent antioxidant compound found in pomegranate and most berries.

Categories: Antioxidants
Good

emollient

Supple, waxlike, lubricating, thickening agents that prevent water loss and have a softening and...

Good

emulsifier

When it comes to cosmetics, an emulsifier refers to any ingredient that helps keep unlike...

Good

emu oil

The emu (Dromaius novaehollandiae) is a large, flightless bird indigenous to Australia. The oil...

Categories: Emollients
Poor

English ivy extract

Plant extract that can be a skin sensitizer due to its stimulant and astringent (skin-constricting) properties.

Good

Enteromorpha compressa extract

Extract from green algae.

Poor

environmental damage

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

Categories: Miscellaneous
Good

enzymes

Vast group of protein , produced by all living things, that act as catalysts in chemical...

Categories: Exfoliant, Skin-Restoring
Best

epigallocatechin gallate

One of the constituents of green tea believed to be responsible for its many health...

Best

Epilobium angustifolium extract

Extract derived from a plant commonly known as fireweed or willow herb...

Categories: Skin-Soothing
Poor

Equisetum arvense

Good

ergocalciferol

Technical name for vitamin D.

Categories: Antioxidants, Vitamins
Best

ergothioneine

A substance derived from animal tissue or various types of mushrooms that has potent antioxidant...

Best

Eriobotrya japonica

Good

erythrulose

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

Categories: Miscellaneous
Poor

esculin

Component of horse chestnut, it is considered harmful and is not recommended for skin...

Categories: Sensitizing
Poor

essential oil

Good

ester

A compound formed from the reaction between an alcohol and an acid via the elimination of water....

Categories: Emollients
Best

Ester-C

Trade name for a combination form of vitamin C that contains mainly calcium ascorbate, but in...

Categories: Vitamins
Poor

ethanol

Categories: Sensitizing
Good

ethoxydiglycol

Categories: Miscellaneous
Poor

ethyl alcohol

Categories: Sensitizing
Average

ethyl hexanediol

A synthetic, viscous alcohol that functions as a solvent and can also be...

Categories: Texture Enhancer
Good

ethylhexylglycerin

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

Best

ethylhexyl methoxycinnamate

Categories: Sunscreen Actives
Good

ethylhexyl palmitate

A mixture of a fatty alcohol and palmitic acid that functions as an emollient.

Good

ethylhexyl stearate

Good

ethylparaben

Parabens are a group of controversial preservatives that include butylparaben...

Categories: Preservatives
Good

ethyl vanillin

Flavoring agent derived from vanilla. It has antioxidant properties (Source: Journal of...

Categories: Antioxidants
Poor

eucalyptus extract

Extract that may have beneficial properties on the skin...

Poor

eucalyptus oil

Fragrant plant oil whose active constituents are found in the leaves and the oil obtained from...

Poor

Eugenia aromatica

Poor

Eugenia caryophyllus

Poor

eugenol

Fragrance chemical that occurs naturally in some plant ingredients...

Good

Euphorbia cerifera wax

Average

Euphrasia officinalis

Best

Euterpe oleracea fruit extract

Best

evening primrose oil

Can have significant soothing and emollient benefits for skin.

Good

Evodia rutaecarpa extract

A species of Asian tree whose fragrant fruit functions as a good soothing agent in...

Good

Ext. D&C

Type of coloring agent. According to the FDA (www.fda.gov), when Ext. D&C is followed by a color,...

Average

eyebright

A plant; although the name sounds like it would be beneficial for the eye area, there are no...

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!