I am really embarrassed at how many bottles of Mooncat polish I own...(10 and I am currently trying to stop myself from buying more...)
I have used OPI, Essie, Butter London, J Hannah, & Other Stories, and Topshop nail polish. Mooncat is a high quality nail polish that has the equivalent quality to OPI and Butter London (depending on the polish). I have yet to see a chip in my nail polish!
If you love bold sparkles, colour shifting chromes, dimensional shimmers, etc. etc. Mooncat is for you. The promotional videos and photos make the products look too good to be true. But in reality, the videos and photos rarely capture how shiny or sparkly or reflective the polish is. They are really that phenomenal.
Mooncat also offers points on each purchase and review. These points can be used to free polish. This is why you will see a LOT of reviews on their website.
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Mooncat is always dropping new limited edition colours so there is always something new. Fake Halo is a great starter colour (and my favourite). The magnetic polish can be finicky to apply but have an insane dimensional shine. Due to the nature of these polishes, you often need 3 coats to really get an opaque look.
See photo of me wearing Monarch :)