Looking for alternatives to regular teeth whitening?  At Silicon Beach Dental, the types of teeth whitening we offer is take home custom bleaching trays and in-office teeth whitening which are great ways to whiten your teeth but not necessarily the most cost effective for regular maintenance.  In the following link, Dr Lawrence talks about some whitening alternatives including the use of charcoal toothpaste.

“It’s recommended to avoid any type of whitening toothpaste or charcoal toothpastes if patients have a ton of tooth recession [or] sensitivity,” cosmetic dentist Lawrence Fung, DDS, founder of Silicon Beach Dental in California, tells Teen Vogue. “My recommendation on charcoal toothpaste is to use it like everything else: in moderation.”
— https://www.teenvogue.com/story/hello-products-activated-charcoal-fluoride-free-whitening-toothpaste-review