frizz /frɪz/ BrE AmE verb [intransitive and transitive] informal
[ Date: 1500-1600 ; Language: French ; Origin: friser , probably from frire 'to cook in hot oil' ]
if your hair frizzes, or if you frizz it, it curls very tightly
—frizz noun [uncountable] :
how to give your hair more shape and less frizz