Olive oil applied to hair?

I heard that putting extra virgin olive oil on your hair about 1/2-1 hour before showering can help to keep hair healthy and shiny. After researching it on the internet, I'm still skeptical. 1. Does this work? :P if so... 2. How long before showering should I apply it? 3. How much and for how... show more I heard that putting extra virgin olive oil on your hair about 1/2-1 hour before showering can help to keep hair healthy and shiny. After researching it on the internet, I'm still skeptical.

1. Does this work? :P

if so...

2. How long before showering should I apply it?
3. How much and for how long?
4. Will it come off easily (water and oil don't mix??)
5. Will it have any side effects, or leave you hair looking greasy?
6. Should I use conditioner the same day?
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