פירוש על ויקרא 13:34

וכבס בגדיו וטהר, “and after having immersed his garments in a ritual bath he shall be ritually pure.” He will not confer ritual impurity through touch lying or sitting on something or having marital relations.

וטהר, he will also become ritually pure (if he is a Nazirite) although as such he should have let his hair grow wild, etc.