Those who want whiter teeth or want to prevent stains from settling should use the Smart Whitening Pen.

People under the age of 18, who are pregnant, have health problems, periodontal disease or gums that are in poor condition, overly sensitive teeth, wear braces, had recent oral surgery, decayed teeth, have roots exposed, have colitis, have jaw problems, or are allergic to items inside the gel should not use this product.

It remains the user’s responsibility to ensure they are not allergic to any of the ingredients before using.