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.