Enjoy smoother and more manageable hair for up to 4 months kerastraight39s trilogy of treatments cater for all your hair repair smoothing straightening and conditioning needs kerastraight treatments offer you manageability and huge time saving benefits compared to other in salon treatments kerastraight tames and smooths your unruly hair with repairing and moisturising factors if looked after at home with kerastraight shampoo and conditioner this can last up to 4 months