After 1 year, stretch marks are considered mature. You can’t fade mature stretch marks. But if you start early, within a few months of developing stretch marks, you may be able to improve how they look. The sooner you start, the better. Otherwise there are procedures like Laser Therapy, Light Therapy, Microneedling, etc which may help you in getting rid of them to some extent. Almond oil, cocoa butter, olive oil, and vitamin E, according to research, won't help you in fading them if its a matured marks.