It is System Professional Hydro Conditioner for normal to dry hair, by Wella. It works great, doesn't leave build-up, makes your hair soft, blahblahblah. It is an effective conditioner. Leave it at that. Because...

What really knocked me off my feet was the scent. This conditioner smells EXACTLY like Chanel Allure.

I am obsessed with it. I only hope the entire line has the same scent!

Apparently this is only available at salons, but I'm sure there are some websites out there somewhere that offer it. I am off to hunt...