Other Information: Store at room temperature. Misc: Cold sore/fever blister treatment and first aid antiseptic. Benzalkonium chloride 0.13%. Camphor 3.0%. Natural bio-science technology. Fast and Effective: temporary relief of pain and discomfort; apply up to 3 times daily; applies clear. Quality guaranteed. Natural bio-science technology utilizes a unique combination of natural ingredients along with benzalkonium chloride, which is first aid for temporary relief of pain and discomfort. Questions or comments? Call us toll-free at 1-888-423-0139. Serious side effects associated with use of this product may be reported to this number. Quality Guaranteed: This TopCare product is laboratory tested to guarantee its highest quality. Your total satisfaction is guaranteed.