Ingredient Dictionary

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insulinlike growth factor (IGF)

Stimulates fat cells and connective tissue cells. Read More »

Categories: Cell-Communicating Ingredients

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vascular endothelial growth factor (VEGF)

Stimulates the growth of blood vessels. Read More »

Categories: Cell-Communicating Ingredients

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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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hepatocyte growth factor (HGF)

Stimulates division in cells lining the liver, skin cells, and cells that produce skin color. Read More »

Categories: Cell-Communicating Ingredients

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prostaglandin analogue

Prostaglandins are a group of potent, hormone-like substances that exist or are synthesized in... Read More »

Categories: Cell-Communicating Ingredients

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DMAE

See dimethylaminoethanol (DMAE)

Categories: Cell-Communicating Ingredients

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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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Argireline

See acetyl hexapeptide-8

Categories: Cell-Communicating Ingredients

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transforming growth factor (TGF)

Stimulates wound healing and collagen growth. Read More »

Categories: Cell-Communicating Ingredients

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dimethyl MEA

See dimethylaminoethanol (DMAE)

Categories: Cell-Communicating Ingredients

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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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interleukin (IL)

Stimulates growth of white blood cells. Read More »

Categories: Cell-Communicating Ingredients

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human growth factor

The topic of human growth factor (HGF) is exceedingly complicated. The physiological intricacies of... Read More »

Categories: 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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sirtuins

An acronym for Silent Information Regulator Two proteins. They are a class of proteins thought to... Read More »

Categories: Cell-Communicating Ingredients

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kinetin

Trade name N6-furfuryladenine, a plant hormone responsible for cell division. As a “natural”... Read More »

Categories: Plant Extracts, 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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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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N6-furfuryladenine

Technical name for kinetin. Read More »

Categories: Plant Extracts, Cell-Communicating Ingredients

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subtilisin

Protease enzyme obtained from the fermentation of Bacillus subtilis. Read More »

Categories: Cell-Communicating Ingredients

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acetyl hexapeptide-8

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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tripeptide-32

A synthetic peptide with the "tri" (meaning three) designation referring to this peptide's mix of the amino acids proline, serine, and threonine. Read More »

Categories: Cell-Communicating Ingredients

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proteases

Enzymes that are part of a process that causes the breakdown of amino acids and proteins in skin... Read More »

Categories: 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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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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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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