With an exclusive formula FORCE-PLASTIA, BIO TANIX EXTREME line softens even the most rebellious hair, reduces the volume as frizz free in just one application without getting yellowing on light hair color as bleaching procedures. The formula has essential ingredients that fully repair hair strands providing softening and straightening abilities a total nutrition to the hair safety. Say Goodbye for harsh chemicals and preservatives. With BIO TANIX EXTREME, gets a natural look with intense shine keeping your hair health and away from daily aggressions.