Is it nicotine in my el sisha liquid

I just bought an electrical shisha pen in which you put liquid. I was wondering how I could Check if there is any nikotin in it? On ingrediens it is written propylene glycol, vegetable glycerin and flavouring. So is it nicotine in it? It isnt written anywhere?
Asked Sep 05, 2014
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Answered Nov 25, 2016

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