It is Lancôme's most technically advanced nail polish. Your fingertips and toes will love the boost of color and lasting shine that stays put for up to seven days. Its cutting-edge, soft-sculpt brush embraces the shape of each nail for perfectly even coverage in one coat with no clumps. Shiny and shock-free: Shield Plasticizers keep nails flexible, shiny and more resistant to shock and abrasion. Chip-free for days! Strong and healthy: Methyl-Sulfonyl-Methane (MSM) is a naturally occurring substance known for its diverse health benefits, including support for healthy nails. It is known to boost the production of keratin, a tough protein from which finger- and toenails are made. MSM, paired with Shield Plasticizers, makes nails much stronger and more flexible. 0.2 oz.