Rating 4 pack 16% strength
By: SHIRLEY SHAPIRO on Jul 28, 2014
From: Nite White 4 pk ACP 16% Teeth Whitening (4 Gels)
This did a good job, but I had better luck with the 32% strength because it was necessary to keep it on SO long ( 4-plus hours).
Please send the stronger formula the next time I order! Thank you.
Does a good job.
By: Naomi on Jul 17, 2014
From: Nite White 4 pk ACP 16% Teeth Whitening (4 Gels)
Does a good job of keeping my teeth rather white.
