This item has never arrived. Seller has started well, on a refund process but, unfortunately, (due to lack of flexibility) things went wrong. In all the cases, I suppose that item should be great and does what is expected.
Online store: AliExpress
US $2.1 42% OFF|Coconut Shells Activated Carbon Teeth Whitening Organic Natural Bamboo Charcoal Toothpaste Powder Wash Your Teeth White-in Toothpaste from Beauty & Health on AliExpress
3.28 USD