Sally Hansen Ultimate Shield Base and Top Coat protect brittle nails from chipping, peeling and fading. Take your nails from weak to virtually shatterproof. As a base coat, our Micro-Polymer formula reinforces nails, boosting strength and flexibility. As a top coat, it protects nail colour with a shiny, chip-resistant finish. Get shielded nails that defy damage. As a base coat: Apply to bare nails. Let dry, then apply nail colour. As a top coat: Apply 1 coat over dry nail colour. Double your nail protection with Ultimate Shield base and top coat! A must-have in any serious mani kit.