Making advertisements are hard. And the tough part is not filming or directing the whole thing. It's actually in post-production. The color-correcting artists are the folks responsible for the perfection you see, in this case, a L'Oréal Garnier commercial.

To the untrained eye, you won't be able to tell the difference.

A lot of the work done is invisible to you and me.

From masking, to tracking.

To layering complex corrections and using the right lighting and colors.

It's really harder than it looks: