Does the length of time it covers you matter? It would seem to me that leaving it on for shorter periods but getting more diversity by having more applications

Does the length of time it covers you matter? It would seem to me that leaving it on for shorter periods but getting more diversity by having more applications of new mud would be more effective. Babies are born from a sterile environment and apparently passing through the birth canal and then immediately being placed on the mother for skin-to-skin contact, even if only for a few minutes, is sufficient to populate the microbiome. But perhaps that’s because it is a clean slate being populated.