Description
Bye-bye, brittle nails! EXTREME NAIL HARDENER ensures noticeably stronger, harder1 nails and can be used either as a base or on its own as a clear nail polish with a glossy finish. It is recommended to be applied twice a week as a treatment for soft nails that are prone to breaking or peeling. 1 In an external study conducted, 90% of those who tried them confirmed that their nails were harder after two weeks of use.
