Ingredient Dictionary

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Accutane

Trade name for the drug with the active ingredient isotretinoin. Acutane as a brand name is no... Read More »

Categories: Prescription Drugs, Vitamins

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alpha-tocopherol

See vitamin E

Categories: Vitamins, Antioxidants

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Argania spinosa

See argan oil

Categories: Vitamins, Antioxidants, Plant Extracts

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ascorbic acid

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

Categories: Vitamins, Antioxidants

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ascorbyl glucosamine

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

Categories: Vitamins, Antioxidants

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ascorbyl glucoside

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

Categories: Antioxidants, Vitamins

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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

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ascorbyl palmitate

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

Categories: Vitamins, Antioxidants

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biotin

Also known as vitamin H, a water-soluble vitamin produced in the body by certain types of... Read More »

Categories: Vitamins

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calcium ascorbate

Form of vitamin C; other forms include ascorbic acid, L-ascorbic acid, ascorbyl palmitate, and... Read More »

Categories: Antioxidants, Vitamins

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calcium pantothenate

Also known as pantothenic acid. Read More »

Categories: Vitamins

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cholecalciferol

Technical name for vitamin D. Read More »

Categories: Antioxidants, Vitamins

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choline

Part of the vitamin B complex and a constituent of many other biologically important molecules,... Read More »

Categories: Miscellaneous, Vitamins

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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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cyanocobalamin

See vitamin B12

Categories: Vitamins

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d-alpha-tocopherol

Antioxidant that's considered the most biologically active form of vitamin E. Read More »

Categories: Antioxidants, Vitamins

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ergocalciferol

Technical name for vitamin D. Read More »

Categories: Antioxidants, Vitamins

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Ester-C

Trade name for a combination form of vitamin C that contains mainly calcium ascorbate, but in... Read More »

Categories: Vitamins

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folic acid

Part of the B-vitamin complex; when taken orally, it is a good antioxidant. That benefit has not... Read More »

Categories: Antioxidants, Vitamins

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honey

A substance produced by bees from the nectar of certain flowering plants. Primarily consumed as... Read More »

Categories: Anti-Irritants, Vitamins, Antioxidants

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honey extract

See honey

Categories: Vitamins, Anti-Irritants, Antioxidants

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isotretinoin

Anti-acne drug that’s derived from vitamin A. This drug works by essentially stopping oil... Read More »

Categories: Prescription Drugs, Cell-Communicating Ingredients, Vitamins

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L-ascorbic acid

Form of vitamin C that is a potent antioxidant and anti-inflammatory agent (Sources:... Read More »

Categories: Anti-Irritants, Vitamins, Antioxidants

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magnesium ascorbyl palmitate

Fatty acid-based derivative of vitamin C that can be an effective antioxidant. There is some... Read More »

Categories: Antioxidants, Vitamins

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magnesium ascorbyl phosphate

Form of vitamin C that is considered stable and an effective antioxidant for skin (Sources:... Read More »

Categories: Antioxidants, Vitamins

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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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