Ingredient Dictionary

Best

argan oil

Read More »

Categories: Emollients, Plant Extracts, Antioxidants

Best

Argania spinosa

See argan oil

Categories: Vitamins, Antioxidants, Plant Extracts

Good

arginine

Amino acid that has antioxidant properties and can be helpful for wound healing (Sources: Journal... Read More »

Categories: Antioxidants

Good

artemia extract

See algae

Categories: Thickeners/Emulsifiers, Antioxidants, Plant Extracts, Emollients

Good

Ascophyllum nodosum

Species of seaweed. Read More »

Categories: Antioxidants, Emollients, Thickeners/Emulsifiers, Plant Extracts

Best

ascorbic acid

Form of vitamin C that has antioxidant properties (Sources: Advances in Experimental Medicine and... Read More »

Categories: Vitamins, Antioxidants

Best

ascorbyl glucosamine

Form of vitamin C that has little research showing it has the antioxidant or skin-lightening... Read More »

Categories: Vitamins, Antioxidants

Best

ascorbyl glucoside

Form of vitamin C combined with glucose. It can function as an antioxidant, but only minimal... Read More »

Categories: Antioxidants, Vitamins

Best

ascorbyl methylsilanol pectinate

Form of vitamin C that is considered stable and that functions as an antioxidant and thickening... Read More »

Categories: Antioxidants, Thickeners/Emulsifiers, Vitamins

Best

ascorbyl palmitate

Stable and nonacidic form of vitamin C that is effective as an antioxidant (Source: Biochemical and... Read More »

Categories: Vitamins, Antioxidants

Good

asparagine

See amino acid

Categories: Antioxidants

Good

Asparagopsis armata extract

Extract derived from seaweed. Read More »

Categories: Antioxidants, Emollients, Thickeners/Emulsifiers, Plant Extracts

Good

aspartic acid

See amino acid

Categories: Antioxidants, Skin-Identical/Repairing Ingredients

Best

astaxanthin

See astaxanthin extract

Categories: Antioxidants

Best

astaxanthin extract

Carotenoid (carotene pigment) found in plants, algae, and fish, particularly salmon, that functions... Read More »

Categories: Antioxidants

Best

Astragalus membranaceus

Latin name for the Chinese herb Huang-Qi, also known as milk vetch. Read More »

Categories: Plant Extracts, Antioxidants

Good

Astragalus sinicus

See milk vetch root

Categories: Antioxidants, Plant Extracts

Best

avocado oil

Emollient oil similar to other nonfragrant plant oils. It has antioxidant properties. Read More »

Categories: Emollients, Antioxidants

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

Good

bakuchiol

An antioxidant found in the seeds and leaves of the plant Psoralea corylifolia... Read More »

Categories: Plant Extracts, Antioxidants

Average

banana extract

Extract from banana fruit that has some weak antioxidant properties (Source: Free Radical Research,... Read More »

Categories: Antioxidants, Plant Extracts

Poor

bay leaf oil

Can be a potent antioxidant (Source: Biological and Pharmaceutical Bulletin, January 2002, pages... Read More »

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

Good

beet root extract

Powdered base of the stem (root) of the Beta vulgaris plant. Used as a coloring agent. As with most... Read More »

Categories: Coloring Agents/Pigments, Plant Extracts, Antioxidants

Good

Bertholletia excelsa extract

See Brazil nut extract

Categories: Plant Extracts, Antioxidants

Best

beta hydroxy acid

See salicylic acid

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