a method of treating snoring and / or osa in a subject in need of such treatment . the method includes crosslinking proteins of the subject &# 39 ; s soft palate tissue or pharynx tissue . the crosslinking can occur by contacting the soft palate or pharynx tissue with a crosslinking reagent . in addition , the crosslinking can occur without heating , contracting or denaturing of the tissue , or any combination thereof .