The whitening pen My White Secret with PAP the practical and innovative solution for a brighter smile in just a few minutes. Thanks to the advanced formula based on PAP (Phthalimidoperoxycaproic Acid), this pen acts effectively on surface stains caused by coffee, tea and tobacco, giving visibly whiter teeth without sensitivity. The compact, easy-to-use design allows for targeted, even application, ideal for quick touch-ups anywhere. My White Secret perfect whitening pen for those who want professional results at home, with a safe and tested product. Strengthen confidence in your smile with a gentle treatment that improves dental aesthetics without annoying side effects.