The average length of an eyelash is anywhere between 7-9 millimetres
About 4 millimeters
No.
Projectile diameter is the same. 9mm case length is longer.
Millimetres
a millimeter
Milimeters
Case length.
The main difference between semi-permanent and permanent eyelash extensions is the length of time they will last. Semi-permanent eyelashes will not last as long as permanent eyelash extensions.
It is a caliber of ammunition. It means the bullet diameter is 9mm and the length of the case is roughly 19mm. Its normally just called 9mm.
There are many 9mm cartridges. 9x21 is one of them. First number is the bullet diameter and the second is the case length.
Eyelash extensions. ANWSER you could try the extra length mascara