How I Whiten my Teeth

I love these!!!
FAQ
Q:Is this safe for tooth enamel?
The information in the box states: “Yes, Crest white strips advanced seal contains peroxide, the same enamel safe ingredient dentists use for tooth whitening.”
Q: Does it sting your teeth?
I used the 14 day original white strips before and It did sting my teeth every now and then. With [...]