Pharmaceutical preparations, including synthetic peptide solutions, for example, self-assembling peptide formulations, said solutions capable of forming hydrogels used for medical purposes, for example, as a hemostatic agent, for example, in surgical procedures, including endoscopic surgeries; medical preparations of the aforementioned peptide solutions used as for achieving hemostasis, for example, for bleeding from small blood vessels encountered during, for example, intracranial and spinal...