Sachajuan Overnight Hair Repair is gel product based on pure water which cares for hair whilst you sleep. The repair gel is designed to build the elasticity and strengthen hair overnight in addition to adding fabulous shine to the hair. This product has the highest concentration of ocean silk technology in the range and contains various algaes to ensure maximum positive impact on the hair. The algaes contained, rhodophycea and chondrus crispus penetrate the hair and strengthen from the inside out and add shine to the hair. In addition to this, the algaes also add natural trace elements and minerals to the hair. To use this overnight treatment, begin by cleaning the hair with a suitable Sachajuan product. Apply the product in the evening, starting at the mid lengths and ends and leave in for the entire night. Due to the fat free formulation, the product will not stain bedding or clothing. The product can be rinsed out well in the morning or left in and hair styled as desired.