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Eyelash Extensions size chart and guidelines

Now that you understand the eyelash extensions curl types, lets talk about length and diameter, these two things should not be taken lightly. Choosing the wrong length and diameter eyelash extensions for a client could result in damage done to their lashes. Too much weight on a natural lash will cause breakage to the natural lashes and possibly permanently thinner / shorter natural lashes.

Below is a size chart that will give you a visual on a variety of lash length diameters

 

Choosing Lash Extension Sizes

You will generally only use 0.3 to 0.10 when doing classic lashes. Second, always follow these two rules of thumb:

 

 

Choosing Lash Extension Sizes

You will generally only use 0.3 to 0.10 when doing classic lashes. Second, always follow these two rules of thumb:

 

Rule 1 – Choose a length no more than 2-3mm longer than the clients natural lash.

 

Rule 2 – Match the diameter to the client’s natural lash (going only slightly thicker for a more dramatic look)

 

Why go only 2-3mm longer than the clients natural lash and match the diameter? There are lengths up to 20mm and diameters as thick as 30mm. If your client’s natural lashes are 10mm long and 10mm thick and you throw on 20mm lashes, they will not lash, and they could possibly even be too heavy! Lashes that are too heavy will cause strain on the lash follicle and could result in a spare regrowth.

 

All Lash Lengths:

6mm/7mm/8mm/9mm – these are typically used for lower lashes and inner corners of the upper lash line

10mm/11mm – these are the medium length lashes and are suitable for most clients

12mm/13mm/14mm – these are the long lashes and are primarily used for clients with naturally long lashes or to create a slightly longer natural classic look

15mm/16mm/17mm – rarely used but help make a dramatic look for clients wanting them temporarily for special occasions such as photo shoots etc (try to avoid these for someone keeping on with regular maintenance as they are far to heavy when they start growing up and become top heavy and change the direction of natural lashes)

There are 2 different types of lash styles that you will come across in the industry, traditional extensions and then flat lashes. Flat lashes have grooves in the extensions which makes them a better choice for retention.

 

 

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