It varies: Depending on the manufacturer and their delivery system you can get different % concentrations.
Answered 7/4/2012
5.8k views
Varies: Every formulation of whitening get has different ingredients. Most common for carbamide peroxide is between 15 and 30%.
Answered 6/12/2015
5.7k views
8 doctors weighed in across 2 answers
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
8 doctors weighed in across 3 answers
3 doctors weighed in across 3 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question