Perform's permanent straightening service is the perfect solution for frizzy, unruly or curly hair to achieve a long-lasting texture change. The service lasts up to 6 months and grows out softly. For a smooth and shiny result with a soft hair feel.Permanent wave fixation. Ready to use. Use with Perform Straightening Cream.Vegan; without ingredients of animal origin; free from silicones, microplastics or mineral oilA texture transformation service for silky, smooth hair that lasts.Perform is available in three formulations: N for normal to resistant hair, C for color-treated hair and S for sensitive hair with a maximum of 50% strands. Before the straightening service, check the condition of the hair and select the appropriate direction. It is recommended to test a strand before treatment. Use with Perform Straightening Neutralizer.APPLICATION - Perform/Smoothing Cream variants: N for natural to unruly hair, C for colored hair, S for sensitive hair, maximum 50% strands.PREPARATION: It is