Kashrut of a Tooth Whitening Product
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Question
Hello, I have a question regarding the kashrut of a tooth whitening product. The product is not meant for eating or swallowing, but it is in the mouth on the teeth for some time every day (about an hour), like toothpaste... Here is the list of ingredients - I would appreciate knowing if it is okay to use the product: glycerin, water (aqua), urea (carbamide), hydrogen peroxide, carbomer, PEG6, hydrogen peroxide, xylitol, sodium hydroxide, EDTA, peppermint oil (aroma), sucralose Thank you very much!!
Answer
Hello
There is a possibility of kashrut issues with these ingredients. For example, glycerin can be made from fat, which can be either vegetable or animal.
However, in practice, anything that is not fit for consumption, [like this product which also contains harsh whitening agents], and is not swallowed, is permitted to use.