Popsugar Beauty Beauty Tips Invisalign Problems 15 Problems Only People With Invisalign Understand September 24, 2017 by Anna Monette Roberts View On One Page Photo 4 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 By day seven, you've officially grossed yourself out by how gnarly your trays have become. Soaking the trays in a vinegar-water solution as your orthodontist instructed so isn't cutting it. Previous Next Start Slideshow Beauty TipsBeauty ReviewsPersonal EssayInvisalignGifsDental HealthHumor