How does the in office opalescence whitening compare with the In office zoom whitening treatment. Thank You !
Kristin H. asked on Mar 19, 2013
I'm very sorry that we were unable to get to your question! Since this Groupon is only available for purchase until midnight tonight, I suggest contacting the merchant directly at (949) 900-1777. Thanks for your interest!
Kelsey W. from Groupon replied on Mar 24, 2013