Choosing the right selection for eyelash extensions

*The chart of eyelash extensions has been tested in curvature C and in length 12mm

1 eyelash extension 0.20 in diameter* = .00030g
1 eyelash extension 0.18 in diameter* = .00025g
1 eyelash extension 0.15 in diameter* = .00015g
1 eyelash extension 0.12 in diameter* = .00013g
1 eyelash extension 0.10 in diameter* = .00010g
1 eyelash extension 0.07 in diameter* = .00006g

Which means that :

(5D) in the 0.07 weighs the same as an eyelash extension 0.20
(4D) in the 0.07 weighs less than an extension of eyelashes .018
(3D) in the 0.07 weighs barely less than an eyelash extension 0.15
(2D) in the 0.07 weighs less than an extension of 0.12 cilia

(9D) in the 0.05 weighs the same as an eyelash extension 0.20
(5D) in the 0.05 weighs the same as an eyelash extension 0.15