Shine bright for up to 10 days, with mega shine top coat™ from sally hansen. The light-refractive Micro-Diamond formula adds brilliant shine and strength – and dries your mani in just 60 seconds! Manicure layers are fused and sealed into one powerful, protective shield. Use Mega Shine Top Coat™ for a brilliant, chip-resistant manicure that lasts up to 10 days! Mega Shine Top Coat™ makes a brilliant addition to your manicure kit.