A composition for application to a cured, applied polymeric nail coating, hands and cuticles. Particularly, a composition which acts to prolong duration and/or maintain the appearance of an applied nail coating applied to a nail. Aptly, the composition may act as a post-application plasticizer of the nail coating. The composition comprises an oily phase comprising a wax ester such as jojoba oil wax ester a plant oil such as avocado oil, an emulsifier may also be provided.