Rebuild and rejuvenate damaged, stressed strands while you sleep with SACHAJUAN Overnight Hair Repair. Formulated with the highest concentration of SACHAJUAN's Ocean Silk Technology, this gel-based treatment increases elasticity and strengthens the hair while nourishing with natural elements and minerals..Rhodophycea penetrates the hair and strengthens it from inside, while Chondrus Crispus coats each strand in moisture and shine.Paraben free.Suitable for all hair types.3.4 fl oz.Wash hair with your preferred SACHAJUAN product, then apply in the evening starting at the lengths.Leave in for the entire night; rinse in the morning and style as desired.Does not have to be rinsed