Is it a exact copy of the previous GOSH Holographic?
I managed to find a bottle of the new polish and along with the old version thought it would be useful to do a comparison of the two.
Bottle comparison shot
Bottles look relatively similar, both containing 8ml
Indoors under a LED light?
I do think there is a difference, GOSH holographic seems to have smaller holographic flare and gives a better holographic effect than the newer one. But the difference is slight and to the non-lacquer head unnoticeable. If you already have the original then you don't need the new holographic hero, other than for a back up!
Holographic Hero is nice enough with a good holographic effect, however not as good as the original.
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*edit* 24th August 2012
From what they are saying I think they are implying that it is the same polish just relaunched. I personally see a slight difference, but perhaps I got a dodgy bottle?