For classic eyelash extensions, the safest and recommended lash diameters would be 0.10, 0.12 and 0.15mm. Volume lashes can be created with lash diameters of 0.07 and 0.05mm. For mega-volume lashes, the recommended is 0.03mm.Aug 2, 2017
What curl is best for lashes?
C curl
What is the most popular type of eyelash extensions?