Care for your hair while you sleep with the sachajuan over night hair repair, an easy and convenient way to transform the appearance of your hair'. '.strtoupper('d')esigned to build elasticity and strengthen the hair, over night hair repair will revitalise your hair and ensure you wake up to nourished, glossy locks'. '.strtoupper('e')nriched with a high concentration of the sachajuan ocean silk technology, the hair treatment will strengthen the hair from the inside out'. '.strtoupper('t')he water based gel treatment contains a fat free formula that will not stain or mark bed linen, allowing you to restore and revitalise your hair with ease'. '.strtoupper('a')pply in the evening starting at the ends of the hair and leave overnight'. '.strtoupper('i')n the morning, the product can either be left in the hair or washed out.