Sensitive teeth? Start with low-peroxide gels, shorten sessions
https://privatebin.net/?8466d0aae8e4a2c6#5YCpisHNiv4fkYqFEiRxavCsxRd2nK6iZHyreRbLKXTP
Sensitive teeth? Start with low-peroxide gels, reduce sessions, and pre-treat with desensitizing tooth paste for 2 weeks before starting whitening.