Do not swallow. For adult use only. Keep out of reach of children. People who have braces, bad gums, exposed roots, ulcers or periodontal disease must not use this product. For whitening gel, avoid contact with lips, tongue and gums. In case of contact or if irritation occurs discontinue use immediately and rinse thoroughly. Do not use if you are allergic to any of the ingredients. Do not use if you have gum disease, gingivitis, bleeding or severely receding gums, sore, inflamed, irritated gums or sensitive teeth. Not recommended for pregnant or breast-feeding women. Do not use this product within 2 weeks of dental and/or orthodontic treatments (fillings, crowns, implants). Do not lie down while carrying out the treatment. Avoid getting the product on clothing. Please keep all instructions until pack is empty.