dietetic foods and coffee whiteners.
Biological detergents as well as perfumes; optical whiteners and other ingredients in ordinary washing detergents may cause skin irritation.
There are more professional whiteners out there that you can ask your dentist about too.
Before investing in whiteners, have your teeth professionally cleaned first.
Many who use paint on whiteners find it difficult to do this.
Instead, go for natural whiteners like lemon juice, vinegar and baking soda.
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