White Glo Charcoal Deep Stain Remover Activated Charcoal Strips can remove up to 10 years of stain in 7 days with long lasting results.7 whitening treatments: Each with 1 upper and 1 lower strip. Activated charcoal penetrates and draws out stubborn stains. Removes stains caused by coffee smoking, wine and general aging. Non-slip strips offer a secure and comfortable fit to teeth. Enamel safe & peroxide-free. VP, Hydroxypropyl Methylcellulose, Glycerin, Alcohol, Activated Charcoal Powder, Sodium Chlorite, Dissodium EDTA, Stevioside, Menthol.