You don't necessarily need a huge VFX team to create some amazing special effects.
Rousselos Aravantinos has created an amazing demonstration of an age-reduction simulation made in the VFX program NUKE. Actress Michele Valley is transformed to a younger version of her current self using post-production magic, which ends up looking pretty impressive — not that Michele needs to be de-aged at all, of course.
Now, if only this sort of visual trickery could work in real-life ...