Why you can't buy Johnson & Johnson All Purpose Contact Lens Care Solution right now

Because it is controlled.

Contact lens care solution, does not belong to the drug, the drugstore is not sold, contact lenses belong to the third class of medical devices (the so-called third class of medical devices refers to the implantation of the human body, or used to support the life, or the technical structure of the complexity of the human body may be potentially dangerous, the safety and efficacy of the medical device must be controlled.) The contact lenses are controlled and you have to buy them from a contact lens store that has obtained a medical device license.