OK! head of shopping Zoe has saved herself a small fortune by swapping her bi-monthly salon shellac manicures for DIY gel nails from her home – here’s what you need to shop to do the same as Amazon Prime Day takes nail lamps down in price OK! head of shopping Zoe has saved herself a small fortune by swapping her bi-monthly salon shellac manicures for DIY gel nails from her home – here’s what you need to shop to do the same as Amazon Prime Day takes nail lamps down in price Lifestyle