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Thanks so much Anushika, tried the nail varnish remover straight away and it's made a huge difference already, my right hand is only pale brown instead of dark brown, thankfully I don't have to be at work until Wednesday. Shybearuk, gave you the stars for the novelty value alone, cigarette ash? This is the first time I've used this particular brand and I think it's going to be the last, I have never, ever had this happen to me before and I am not keen to repeat the experience.