Apply on clean & dry lids. For best results, use primer prior to application. If you need to reposition Magnetic Lashes once the Magnetic Liner has dried, slowly peel off lashes and gently remove any Magnetic Liner from band/magnets, taking care not to detach magnets from the lash band. Reapply fresh coats of Magnetic Liner before reattaching Magnetic Lashes. About the BrandArdell | Ardell Magnetic Faux Mink 811 False Lashes in Black