We consider this the Best & Purest UK Manufactured Nicotine available today. It is a colourless to light straw coloured liquid, produced in the UK, in a bespoke manufacturing suite, under cGMP conditions to the highest USP/PH Eur grade, and supplied "sealed" directly to us. It is re-bottled, under the strictest conditions, in our own Laboratory. We only provide quality processed Nicotine. NOW IN BOTH VG & PG