Option Exo: Damage-Free Exothermic WavingDesigned for energized curls on longer and resistant hair. Thermally activated, EXO results in a stronger, more energized, defined wave. Option Exo Damage-Free Exothermic Waving contains Isoamine™ waving lotion. Isoamine™ effectively restructures the internal bonds while impairing superior permanent condition, without conditioning additives and aggressively lifting the cuticle. The result is resilient curls and healthy hair.