Existing Beauty Lashes Magic Black Coating 8ml Similiar in properties to the Black Diamond Coating, this is one of the most effective tools for prolonging your eyelash extension life. It will protect the adhesive from moisture, humidity, and oils, preventing your lashes from failing prematurely. Black tinted color to enhance your lashes and thin coating film which protects and makes your eyelash extensions last for a longer period of time. Professionals will apply after adhesive has completely dried to condition and protect. For best results it is recommended that the client use every 3-4 days for extra protection and longer lash life. Warning: Sealants may not be compatible with all glues, please check with your manufacturer to confirm compatibility.