Apply to freshly washed hair, comb and leave on for 10 minutes. For deeper conditioning, cover hair with a plastic cap and leave on for 15-20 minutes. Rinse well. Dry the hair with a curl diffuser. Curly Girls Routine: Use the Co-Wash Curly Shampoo and Balm, one product per week, as the first step in cleaning and caring for the curl. Complete the treatment with the Booster, Vitamin Mist and Curly Oil.