Other Information: Store in a cool dry place. Do not use if safety seals on the sides of the carton have been removed or opened. Misc: Natural menthol. America's No 1 caner sore patch. Heals as fast as 1 day (Clinicals on file). New look same great product. Fast-acting relief for up to 12 hours. 1 patch fully treats most mouth sores (Clinicals on file). Protects while healing. Form protective gel bandage. Protects from irritants & promotes healing. No sugar, glucose, gluten, lactose or preservative. Less than 1 calorie. Relieves Pain From: Canker sores. Mouth sores. Mouth irritation. Gum irritation. Clinically Proven: To relieve pain & heal sores (Clinicals on file). Protects while healing. Lasts while eating & drinking. Questions or comments? Call us 800-4Dentek (433-68335) M-F 8am - 5pm EST. Made in USA.