...Of course, if the cure makes cranial ridges disappear in a matter of minutes, odds are that it would also make any reconstructions of cranial ridges disappear!
So the only cosmetic solution would be to wear falsies, things immune to the biological effect. Perhaps this would be beneath a warrior's honor, explaining the prominence of smooth foreheads a century later still. Only 24th century medicine would find a way to truly cope.
Or then a cure never was found, but becoming Dahar Master grants you immunity for wearing falsies?
Timo Saloniemi