- A strengthening treatment for mature hair. BC TIME RESTORE, anti-aging formula for hair that has lost strength or moisture leaving it weak, dry or brittle: 100% more resistance & vitality; Instantly rejuvenates hair strength. Q10 and Nutrifiller: 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. Apply to the mid-lengths and ends of towel-dried hair and work through. Comb through. Leave for 5-10 minutes. Rinse thoroughly. Use 1-2 times a week.