Update on skin lightening cream - does it really work?

As promised here is my feedback about the skin lightening cream I've made in this video:
https://www.youtube.com/watch?v=RFVrP...

For the oils, the ingredients are as follows:

NIGHT:

• Turmeric essential oil
• Lemon essential oil
• coconut oil
• Argan oil

DAY:

• Turmeric essential oil
• Lemon Grass essential oil
• coconut oil
• Argan oil