Is drinking water before a whitening session the secret to preventing sensitivity? Nope. In this Truth or Trend episode, we explain why that advice is false, what really causes sensitivity, and how to prep clients properly for a safe, effective whitening session.

00:00 – Intro: What trainers are telling providers to do 01:04 – What actually causes whitening sensitivity? 01:52 – Teeth don’t store water—how hydration works in the mouth 02:39 – Why dehydration isn’t bad (in controlled amounts) 03:29 – Clinical study: Dental dam dehydration = brighter teeth 04:15 – If water fixed sensitivity, dentists would already use it 04:45 – Final thoughts: Stop telling clients to drink water—it’s not helping

Thank you to our Sponsor Fern Whitening Supplies