Question Summary:
Teeth whitening powder with charcoal derivative

Question Detail:

Is it permissible to use charcoal (of wood) / charcoal (of wood) derivative as an ingredient for a tooth whitening powder?

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.

As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.

It is permissible to use a whitening powder which has charcoal derivatives provided it does not contain any other haram ingredients.

And Allah Ta’āla Knows Best

Huzaifah Deedat

Student Darul Iftaa
Lusaka, Zambia 

Checked and Approved by,
Mufti Ebrahim Desai.

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https://www.colgate.com/en-us/oral-health/cosmetic-dentistry/teeth-whitening/what-is-charcoal-toothpaste-0517

http://dailyburn.com/life/health/activated-charcoal-natural-teeth-whitening/