This question can be addressed by the next scientific approach: electrophysiological recording from brain slices
Planning for the long term is another entirely
While the 2025 Kuceki study showed stronger results with clinical tattooing (26.5% area regrowth), this trial proves that a simple spray still produces statistically significant improvement
Not a sleep treatment: Melanotan II shouldn't be used as a sleep aid
10.1371/journal.pone.0146797 Summary Keywords autism, folinic Acid, glutathione, methylation, methylcobalamin, oxidative stress, tetrahydrobiopterin Citation Delhey LM, Tippett M, Rose S, Bennuri SC, Slattery JC, Melnyk S, James SJ and Frye RE (2018) Comparison of Treatment for Metabolic Disorders Associated with Autism:Reanalysis of Three Clinical Trials
Up to 4 weeks at 2-8C without measurable purity loss