In villages, during haircut, one has to wear only komanam and sit in the back yard to have haircut. But in cities it may not be possible, but wearing komanam is possible . After reaching home from the saloor, one should remove all the dress and wear komanam and apply oil and take bath . Especially, during oil bath , it is mandatory to wear komanam.
Ultimately, what is required, is that komanam is mandatory for gents and komanam purusha lakshanam.