I am seeing conflicting information on teeth whitening from different places and the solutions strengths available vary greatly. I have seen 8-38% strengths available on a number of websites and am unsure what is best. I want to find a solution/strength that is safe and effective.
What levels (%) of carbamide peroxide and hydrogen peroxide whitening a gels are considered safe for use?
I have read that carbamide peroxide is used for home whitening and hydrogen peroxide is used at the dentist. Is there any reason hydrogen peroxide couldn’t be used at home?
Thanks.