Bacteriostatic water is the standard diluent for both, since the benzyl alcohol it contains helps preserve the reconstituted solution across multiple uses
But interesting biology and plausible mechanisms are where drug development begins, not ends
PubMed Systematic umbrella review evaluating nutritional supplements including niacinamide for primary prevention of skin diseases across 9,229 participants, examining preventive effects against ultraviolet radiation-induced skin pathology and other dermatological conditions
It asserts that atomized pumps provide better delivery systems than nose drops, plastic bottle nebulizer and pressurized aerosols
Globally, skin cancer doesnt even make the list of 40 deadliest killers, he writes in this new book, noting the gulf between its 120,000 annual deaths compared to the 20 million from cardiovascular disease and 10 million from other forms of cancer