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 Blacklight Nourishing Shampoo Liter Refill GLOSS MIXERS SERIES BALAYAGE CLAY LIGHTENER GLOSS GOLD IRIDESCENT SERIES 32/GI