You could be getting a combination of natural ingredients and medication in a toothpaste that has a blue stripe.
By “added medications,” we mean things like the possibility of teeth whitening agents or targeted pain relievers in toothpaste.
A black stripe is the most unattractive color for toothpaste container.
The presence of a black stripe indicates that the toothpaste is composed solely of synthetic compounds. It is not recommended to consume this on a daily basis.
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