The present disclosure generally relates to compositions comprising dihexa and methods for making or using said compositions. In some aspects, the compositions disclosed herein may comprise one or more additional active ingredients, including
lipoic acid, spadin
peptide, and / or phenyl-N-tert-butylnitrone. Compositions such as these may be used in certain embodiments, for example, to enhances a subject's hearing or to treat a
hearing disorder, etc. In some embodiments, the compositions are topical compositions configured to treat
hearing loss via administration, e.g., to the
skin behind the
outer ear or directly to the
eardrum of a subject, etc. In some cases, the compositions disclosed herein may comprise one or more excipients to aid in transdermal delivery. For instance, in certain embodiments, the compositions comprise
lecithin and / or other components that may facilitate delivery through the
skin. Other aspects are generally directed to methods of making or using such compositions, methods of promoting such compositions, kits including such compositions, or the like.