Our temporary tattoos and the ink used are of the highest quality and offer a shelf life of 9-12 months when packaged under optimal conditions. For optimal preservation, we recommend storing them in a cool and dry place. Our ink is dermatologically tested and safe for the skin. To achieve the best results, we recommend using the tattoos as soon as possible after purchase. At minink, we place great emphasis on quality and customer satisfaction, so we guarantee a flawless and long-lasting tattoo experience.