Ingredient Dictionary



Naturally occurring clay mineral (silicate of aluminum) that is used in cosmetics for its absorbent... Read More »

Categories: Absorbent


Kathon CG

See methylisothiazolinone , methylchloroisothiazolinone

Categories: Sensitizing, Preservatives


kava-kava extract

Extract of the Piper methysticum plant that has soothing properties, but can... Read More »

Categories: Plant Extracts, Sensitizing, Skin-Soothing


kawa extract

See kava-kava extract

Categories: Skin-Soothing, Plant Extracts, Sensitizing


kelp extract

See algae

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


Kigelia africana extract

Extract of African plant commonly known as the sausage tree. The African lore about this extract is... Read More »

Categories: Plant Extracts, Skin-Soothing, Antioxidants


kiwi fruit extract

As a food, kiwi has significant antioxidant properties that may even be greater than those of... Read More »

Categories: Sensitizing, Antioxidants, Plant Extracts


kojic acid

By-product of the fermentation process of malting rice for use in the manufacture of sake, Japanese... Read More »

Categories: Antioxidants


kojic dipalmitate

A mixture of kojic acid and palmitic acid. It functions as a skin-conditioning agent and antioxidant... Read More »

Categories: Antioxidants


kola nut

One of the major components of the kola nut is caffeine, which in high amounts can be a skin sensitizer... Read More »

Categories: Plant Extracts, Sensitizing


kudzu root

Source of isoflavone, genistein, and daidzein, all plant estrogens.. Read More »

Categories: Antioxidants, Plant Extracts


kukui nut oil

Non-volatile oil from a plant native to Hawaii; it has emollient properties for skin (Source:... Read More »

Categories: Plant Extracts, Emollients

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Paula Begoun is the best-selling author of 20 books about skincare and makeup. She is known worldwide as The Cosmetics Cop and creator of Paula’s Choice Skincare. Paula’s expertise has led to hundreds of appearances on national and international radio, print, and television including:

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