True
1
b6eb977c-b2b7-49a8-a301-0e1f1b273f91

Ingredient Dictionary

Best

rapeseed oil

Nonfragrant oil that has emollient and potential antioxidant properties for skin (Source: British... Read More »

Categories: Plant Extracts, Antioxidants, Emollients

Good

raspberry seed extract

See red raspberry extract

Categories: Plant Extracts, Antioxidants

Good

raspberry seed oil

See red raspberry extract

Categories: Antioxidants, Plant Extracts

Good

red 27 lake

See D&C colors

Categories: Coloring Agents/Pigments

Good

red 33

See D&C colors

Categories: Coloring Agents/Pigments

Good

red 6 lake

See D&C colors

Categories: Coloring Agents/Pigments

Good

red algae

See algae

Categories: Antioxidants, Texture Enhancer, Emollients, Plant Extracts

Good

red clover

Can have antioxidant and soothing properties... Read More »

Categories: Plant Extracts, Skin-Soothing, Antioxidants

Good

red raspberry extract

Fruit extract that has potent antioxidant properties... Read More »

Categories: Antioxidants, Plant Extracts

Good

reducing agent

Versatile ingredient composed of several non-volatile alcohols. Functions as a... Read More »

Categories: Cleansing Agents

Best

resveratrol

Potent polyphenolic antioxidant that is abundant in red grapes and, therefore, in red wine... Read More »

Categories: Antioxidants, Skin-Soothing, Plant Extracts

Best

retinol

Retinol, the name for the entire vitamin A molecule, is a skin-restoring ingredient and an antioxidant. Read More »

Categories: Skin-Restoring, Antioxidants, Vitamins

Best

retinyl ascorbate

An ester of vitamin A (retinoic acid) and vitamin C (ascorbic acid) that functions as an antioxidant... Read More »

Categories: Vitamins, Antioxidants

Best

retinyl palmitate

Combination of retinol (pure vitamin A) and the fatty acid palmitic acid. Research has shown... Read More »

Categories: Vitamins, Antioxidants, Skin-Restoring

Best

retinyl retinoate

A synthetic, "new generation" retinol with research showing its usefulness for skin... Read More »

Categories: Vitamins, Skin-Restoring

Average

riboflavin

See vitamin B2

Categories: Vitamins

Good

rice bran oil

Emollient oil similar to other nonfragrant plant oils. There is no research showing this has any... Read More »

Categories: Emollients, Plant Extracts

Good

rice oil

Emollient similar to other nonfragrant plant oils. There is no research showing this has any... Read More »

Categories: Emollients, Plant Extracts

Good

rice starch

Absorbent substance sometimes included in products rather than talc.... Read More »

Categories: Absorbent, Plant Extracts

Good

ricinoleate

Glyceryl triester used in cosmetics as a thickening agent and emollient. Read More »

Categories: Texture Enhancer

Good

Ricinus communis

See castor oil

Categories: Plant Extracts, Emollients

Poor

Robinia pseudacacia extract

See black locust extract

Categories: Plant Extracts, Antioxidants

Good

Rosa canina

See rose hip oil

Categories: Emollients, Plant Extracts, Antioxidants

Good

Rosa centifolia

See rose hip oil

Categories: Antioxidants, Emollients, Plant Extracts

Good

Rosa centifolia flower

See rose hip

Categories: Emollients, 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 busting beauty myths and helping you solve your skincare frustrations with research-supported expert advice—so you'll have the facts you need to take the best possible care of your skin.

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