WHAT IT IS BC Bonacure Time Restore Treatment is a strengthening treatment for mature hair. WHAT IT DOES The brilliant BC TIME RESTORE formula combines Q10 with our breakthrough Nutrifiller technology to immediately erase visible signs of aging and stimulate the hair s natural keratin synthesis. Schwarzkopf Professional BC Bonacure Time Restore Treatment gives hair 100 more resistance and vitality while instantly rejuvenating hair strength.