15 mL / 0.5 FL OZ / 10-Free
A barrier-like clear coat specifically made to lock in magnetic designs, and avoid the magnetic effect dispersing due to quick dry top coats. How To:
After magnetizing the final coat of your magnetic polish of choice, apply a thin coat of Lock & Key and remagnetize for 60 seconds. Lock & Key will only s
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Saw this topper recommended on social media and had to give it a try on my next glass bead manicure - it worked perfectly!! I can't speak to how much it helps with the magnetic pigment diffusing (my mani started out pretty diffused already), but I can't wait to try this with the cat eye effect. Will be using this for pretty much every magnetic mani I do from here on out!
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Millie · October 14, 2026
This has made magnetic manis so much easier, I wish I found this sooner!
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Anonymous · October 5, 2026
SORCERY. MAGIC. WITCHCRAFT.
If you have ever scrambled to magnetize your top coat before it dries, then you need this. Works to freeze your magnetic in place!