Nails.INC Its Topless Gel-Like Nail Polish, Madison (Tan Nude)

Nails.INC Its Topless Gel-Like Nail Polish, Madison (Tan Nude) is down to £4.20 at Amazon. It has typically been selling for around £9.87 over recent months, so this works out at roughly 57% below its usual price.
Its currently ranked 1,081 in Beauty on Amazon and rated 4.0 out of 5 from 2,310 customer ratings, so plenty of buyers have already tried it.
Key features:
4-in-1 formula with a built-in base coat, treatment, colour and top coat
1-step gel-like polish made with glass particles for a glossy finish
Nails.INC says 95% of users saw improved nail quality in testing
Long-wear formula lasting up to 6 days, according to the brand
Shade Madison, a warm tan nude