Bonacure Time Restore Night Treatment, Q10 night spray leave overnight, rinse out. Diagnosis Mature and fragile hair. Therapy BC time restore intensive treatment is conveniently sprayed into the hair and works overnight to strengthen the inner hair structure. The Q10 slow release complex is deeply infused into the roots to activate the production of the two keratins thas subsides over time. Result truly rejuvenated, healthy looking hair with utmost suppleness and shine for timeless beauty.