Normally the top (convex) aspect does not even get wet. I find that floating the bridge concave facet down for an hour usually straightens it, but I commonly clamp it to the flat area to dry overnight. Nonhormonal treatment plans for vaginal dryness involve vaginal moisturizers and vaginal lubricants. See https://thomash245ifw2.gynoblog.com/32430631/the-ultimate-guide-to-anti-snore