Bleaching oil without ammonia studio blonde lor?al professionnel lightening gel oil texture that provides a discoloration up to 2 tons of natural sun-results idela for us shampoo application: mix the oil with studio blond oxidant 1 + 2 or 50 ml of oil to 100 ml oxidant ^ leave on for 10 to 30 minutes, then rinse with clear water finish with a shampoo studio blonde post capacity: 1000 ml.