Home / Brands / Oligo / Waves & Texturizers / EXO PERM EXO PERM Exothermic wave for resistant grey and white hair. Ammonia Free Thio Free Categories: Oligo, Waves & Texturizers Description Description Exothermic wave for resistant grey and white hair. Ammonia Free Thio Free Related products GLOSS GOLD IRIDESCENT SERIES 32/GI CREAM LIGHTENER FUNKHUE AZURE CALURATEN TIMER