I like Kiwi hi.illuminator polish. I use it after I've straightened my hair and it definitely adds shine and makes my hair feel silky. I'd give it 5 stars. I can't remember how much it cost but I bought mine at Trade Secret.

I almost forgot to add that it smells really good!

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Wanted: COH Ava in Dark Paris or Dark Madrid, COH Ingrids in London, 7FAM Black Dojos - Size 28