I am an avid espresso drinker and you simply understand what it does to my teeth. These whitening strips from WSD Labs are next to none. They definitely give a whiter glimpse and can compete knowledgeable whitening session in the dentist. Early versions of whitening strips proved tough since the https://oembleachwhiteningstrips50616.homewikia.com/11351126/the_2_minute_rule_for_bleach_whitening_strips