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How to Distinguish Between Moroccan Soap Clay and Moroccan Red Clay

Pictured: Red kaolinite clay (sometimes called French or Brazilian Red), Moroccan Soap Clay (also called rhassoul, rasul, and ghassoul), and French Red Illite Clay (sometimes called Moroccan red clay).

Looking at them, it is easy to imagine getting them mixed up. The colors are reasonably similar and they are all sold as cosmetics clays.

But the most confusing part is the seemingly endless list of names attached to each one. Each clay has several common names and to make matters even more perplexing, some have more than one INCI name. It's no wonder people (and that includes some suppliers) occasionally get it wrong.

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