Classic individual lash extensions 55 the classic set of lash extensions adds curl and length to your natural lashes with the application of 1 lash extension to one natural lash treatment time approx 15 to 2 hours volume lash extensions 23d volume 65 23d volume lashes add length curl and volume to natural lashes by adding 2 to 3 ultra lash extensions to one individual to create a naturally fuller volume look these lashes are great for those with sparce natural lashes or those wh