Ingredient Dictionary

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acetyl hexapeptide-3

A synthetically-derived peptide that is being used in a wide range of skin care and makeup... Read More »

Categories: Cell-Communicating Ingredients

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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: Cell-Communicating Ingredients

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adenosine

Yeast-derived ingredient that plays an important cell-signaling role in many bodily processes.... Read More »

Categories: Cell-Communicating Ingredients, Anti-Irritants

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adenosine triphosphate

An organic compound from adenosine, which is formed by the hydrolysis of yeast nucleic acids. All... Read More »

Categories: Anti-Irritants, Cell-Communicating Ingredients

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Agaricus bisporus extract

An extract of mushroom that is thought to help regulate skin cell production by inhibiting cell... Read More »

Categories: Plant Extracts, Cell-Communicating Ingredients

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Ajuga turkestanica extract

The only research about this plant indicates that it may have anabolic steroid properties (Source:... Read More »

Categories: Cell-Communicating Ingredients, Plant Extracts

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all-trans retinoic acid

Active ingredient in Retin-A and Renova. Read More »

Categories: Cell-Communicating Ingredients, Prescription Drugs

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Argireline

See acetyl hexapeptide-3

Categories: Cell-Communicating Ingredients

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ATP

See adenosine triphosphate

Categories: Anti-Irritants, Cell-Communicating Ingredients

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cell-communicating ingredients

Cell-communicating ingredients, theoretically, have the ability to tell a skin cell to look, act,... Read More »

Categories: Antioxidants, Cell-Communicating Ingredients

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creatine

An amino acid found in the human body and most type of meat and fish. This ingredient serves as the... Read More »

Categories: Cell-Communicating Ingredients

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creatinine

Compound formed by the metabolism of the amino acid creatine. Creatine resides primarily in muscle... Read More »

Categories: Cell-Communicating Ingredients

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Cucurbitea peponis

See pumpkin

Categories: Vitamins, Cell-Communicating Ingredients, Antioxidants, Fragrance: Synthetic and Fragrant Plant Extracts, Plant Extracts

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decarboxy carnosine HCL

See carnosine , cell-communicating ingredients

Categories: Cell-Communicating Ingredients, Anti-Irritants

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dimethyl MEA

See dimethylaminoethanol (DMAE)

Categories: Cell-Communicating Ingredients

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dimethylaminoethanol (DMAE)

What little research there is about DMAE relates to its effect as an oral supplement, and the... Read More »

Categories: Cell-Communicating Ingredients

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DMAE

See dimethylaminoethanol (DMAE)

Categories: Cell-Communicating Ingredients

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eicosapentaenoic acid

Fatty acid derived from salmon oil; it is a good emollient for skin. It has also been shown to... Read More »

Categories: Thickeners/Emulsifiers, Cell-Communicating Ingredients, Emollients

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enzymes

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

Categories: Cell-Communicating Ingredients, Leave-On Exfoliant

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epidermal growth factor (EGF)

Stimulates cell division of many different cell types. There is research showing it to be helpful... Read More »

Categories: Anti-Irritants, Cell-Communicating Ingredients

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erythropoietin (Epo)

Stimulates the growth of cells that carry oxygen throughout the body (Source: Melanoma Research,... Read More »

Categories: Cell-Communicating Ingredients

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Filipendula glaberrima

Also known as Nakai, the root of this plant extract has been shown in vitro to be not only a potent... Read More »

Categories: Plant Extracts, Cell-Communicating Ingredients, Antioxidants

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GABA

GABA (gamma aminobutyric acid/gamma amino-butyric acid) is an amino acid synthesized in the brain... Read More »

Categories: Miscellaneous, Cell-Communicating Ingredients

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gamma linolenic acid (GLA)

Fatty acid used in cosmetics as an emollient, antioxidant, and cell regulator. GLA is considered to... Read More »

Categories: Cell-Communicating Ingredients, Antioxidants, Emollients

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ginseng

Herb in the family Araliaceae, native to Asia. A small number of studies carried out on animals... Read More »

Categories: Plant Extracts, Cell-Communicating Ingredients

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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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