Ingredient Dictionary

Good

Acacia senegal

Herb that can have anti-inflammatory properties, but is used primarily as a thickening agent. Read More »

Categories: Thickeners/Emulsifiers, Plant Extracts, Anti-Irritants

Best

acetylsalicylic acid

Chemical name for aspirin, one of the most widely used anti-inflammatory drugs in the world.... Read More »

Categories: Anti-Irritants

Poor

Achillea millefolium

See yarrow extract

Categories: Plant Extracts, Anti-Irritants

Best

adenosine

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

Categories: Cell-Communicating Ingredients, Anti-Irritants

Best

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

Good

Aesculus hippocastanum

See horse chestnut extract

Categories: Plant Extracts, Anti-Irritants

Best

allantoin

By-product of uric acid extracted from urea and considered an effective anti-irritant. Read More »

Categories: Anti-Irritants

Good

Aloe barbadensis

See aloe vera

Categories: Plant Extracts, Anti-Irritants

Good

aloe barbadensis leaf juice extract

See aloe vera

Categories: Plant Extracts, Anti-Irritants

Good

aloe extract

See aloe vera

Categories: Anti-Irritants, Plant Extracts

Good

aloe juice

See aloe vera

Categories: Plant Extracts, Anti-Irritants

Good

aloe vera

There is no real evidence that aloe vera (Aloe barbadenis) helps the skin in any significant way.... Read More »

Categories: Anti-Irritants, Plant Extracts

Best

alpha bisabolol

See bisabolol

Categories: Anti-Irritants, Plant Extracts

Good

Althaea rosea

See mallow

Categories: Thickeners/Emulsifiers, Plant Extracts, Anti-Irritants

Good

Althea officinalis

Latin name for the marshmallow plant. Read More »

Categories: Thickeners/Emulsifiers, Anti-Irritants, Plant Extracts

Average

aminobutyric acid

Amino acid that has water-binding properties for skin and may be an anti-inflammatory. It... Read More »

Categories: Anti-Irritants

Good

andiroba oil

Extracted from the Brazilian mahogany tree; it has anti-inflammatory properties (Source:... Read More »

Categories: Anti-Irritants, Plant Extracts

Best

Anthemis nobilis flower extract

See chamomile

Categories: Antioxidants, Antibacterial/Anti-Acne, Anti-Irritants

Best

anti-inflammatory

Any ingredient that reduces certain signs of inflammation, such as swelling, tenderness, pain,... Read More »

Categories: Anti-Irritants

Best

anti-irritant

Any ingredient that reduces certain signs of inflammation, such as swelling, tenderness, pain,... Read More »

Categories: Anti-Irritants

Best

Arachis hypogaea extract

Extract of the plant commonly known as the peanut. It can have emollient and anti-inflammatory... Read More »

Categories: Anti-Irritants, Emollients, Plant Extracts

Best

Arctium lappa

See burdock root

Categories: Plant Extracts, Antioxidants, Anti-Irritants

Best

ATP

See adenosine triphosphate

Categories: Anti-Irritants, Cell-Communicating Ingredients

Best

Avena sativa

Oat plant. Oat extract can have anti-irritant and anti-inflammatory properties (Source: Skin... Read More »

Categories: Plant Extracts, Anti-Irritants

Average

azulene

Chamomile extract used primarily as a coloring agent in cosmetics. It can have antioxidant and... Read More »

Categories: Anti-Irritants, Plant Extracts, Antioxidants

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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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