Depending on the context, you could use different terms to describe nzu in English:
* White clay powder: This is the most literal and neutral description.
* Cosmetic clay: This emphasizes the use of nzu for beauty purposes.
* Traditional West African cosmetic: This emphasizes the cultural significance of nzu.
* Nzu (transliteration): You can simply use the word "nzu" if you are discussing it in a context where it is understood.
Ultimately, the best way to describe nzu in English depends on the specific situation and what you want to emphasize.