Perio Care Gel for Trays (1 Tube) - 1.7% Hydrogen Peroxide Gel - Compare to Perio Gel, Perio Gel X, Perio Protect Gel, GumX Defender Plus Gel, Perio Daily Defense Gel & Perio Restore GelCOMPARE WITH ACTIVE INGREDIENTS OF Perio Gel, Perio Gel X, Perio Protect Gel, Periogel, GUMX Defender Plus Gel, Perio Daily Defense Gel and Perio Restore Gel. DENTIST RECOMMENDED See why dentists recommend Perio Care 1. 7% hydrogen peroxide gel. COMPATIBLE WITH ALL TRAYS Perio Care gel can be used with all dentist approved trays GREAT FOR YOUR GUMS Perio Care gel soothes the gums and gives you fresh breath when used for 15 minutes with trays. LOW