True
1
b6eb977c-b2b7-49a8-a301-0e1f1b273f91

Ingredient Dictionary

Good

1, 2-Hexanediol

A preservative belonging to a class of agents known as higher molecular glycols. Read More »

Categories: Preservatives

Good

10-Hydroxydecanoic Acid

A synthetic ingredient that functions as a skin-conditioning and occlusive agent. Read More »

Categories: Emollients

Poor

Acacia farnesiana extract

A fragrant extract from a type of acacia tree. There is no research showing it to have any benefit... Read More »

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

Good

acacia senegal gum

Herb that can have skin soothing properties, but is used primarily as a thickening agent. Read More »

Categories: Texture Enhancer, Plant Extracts, Skin-Soothing

Best

açai

Pronounced "ah-sigh-ee", this small berry with a deep purple color is a source of... Read More »

Categories: Antioxidants, Plant Extracts

Good

acerola fruit extract

Acerola contains vitamin C. However, the dry acerola fruit and powder are unlikely to be a good... Read More »

Categories: Plant Extracts

Poor

acetic acid

Acid found in vinegar, some fruits, and human sweat. It can be sensitizing to skin... Read More »

Poor

acetone

Strong solvent that is used in Nail Polish removers. Read More »

Best

acetyl carnitine HCL

Read More »

Categories: Antioxidants

Best

acetyl glucosamine

Amino acid sugar and primary constituent of mucopolysaccharides and hyaluronic acid. Read More »

Categories: Skin-Replenishing

Good

acetyl glyceryl ricinoleate

Used as an emollient and thickening agent in cosmetics. Read More »

Categories: Emollients, Texture Enhancer

Good

acetyl hexapeptide-8

Synthetically derived peptide that is used in a wide range of skincare and makeup... Read More »

Categories: Skin-Restoring

Good

acetyl octapeptide-3

A synthetic peptide that is based around octapeptide-3, a peptide complex composed of the amino acids aspartic acid, glutamic acid, glutamine, and methionine... Read More »

Categories: Skin-Restoring

Average

acetyl tributyl citrate

Related to citric acid and used as a plasticizer, most commonly in nail polish and nail-hardening... Read More »

Good

acetyl tyrosine

An amino acid complex that functions as a skin-conditioning agent. There is no research proving it... Read More »

Good

acetylated castor oil

Used as an emollient and thickening agent in cosmetics. Read More »

Categories: Emollients, Texture Enhancer

Good

acetylated hydrogenated cottonseed glyceride

Used as an emollient and thickening agent in cosmetics. Read More »

Categories: Emollients, Texture Enhancer

Good

acetylated lanolin

Emollient derived from lanolin. Read More »

Categories: Emollients

Good

acetylated lanolin alcohol

An ester of lanolin alcohol uses as an emollient and occlusive agent. An ester is a compound formed... Read More »

Categories: Emollients

Good

acetylated palm kernel glycerides

Used as an emollient and thickening agent in cosmetics. Read More »

Categories: Texture Enhancer, Emollients

Poor

Achillea millefolium

See yarrow extract

Categories: Plant Extracts, Skin-Soothing

Average

acid

Anything with a pH lower than 7 is considered acidic—above 7 is considered alkaline. Water has a pH... Read More »

Poor

acne soap

Soaps that often contain strong cleansing ingredients, they are often overly drying and... Read More »

Categories: Cleansing Agents

Good

acrylate

See film-forming agent

Categories: Texture Enhancer

Good

acrylates copolymer

See film-forming agent

Categories: Texture Enhancer

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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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