The lengths of lashes vary usually around as short as 5mm to 14-15mm. 15mm lashes are very long, and only recommended if your client has extremely long natural lashes. The most usual lengths used are 7-12mm.
Usually thicker lashes are used for classic lash extensions – 0.10 and 0.15 thicknesses are popular. When using the Russian technique, it is advised to use finer lashes as you are using more than one lash in a fan. Popular Russian thicknesses are 0.05 and 0.07.
0.07mm, 0.10mm, 0.12mm, 0.15mm, 0.18mm, 0.20mm etc. The bigger the number, the thicker the lash. The thicker the lash, the heavier it weighs.
Basically, the Russian Volume technique was created by Olga Dobronravova and Irina Levchuck and refers to 3 or more lashes that are 1-2 mm longer than the natural lash being applied to the real lash.
Therefore, when choosing eyelash extensions, the rule of thumb is that the extensions should be at 3mm-5mm longer than your natural lashes. Moreover, the diameter of the extensions should be as close as possible to the diameter of your natural lashes.
0.15mm lashes
This is the most popular, average lash thickness, which creates a naturally thicker look (Classic).
It is said that the thickness for the most natural look lashes is . 15mm. So, opt for this thickness of natural lash extension to sport the 'perfect eyelashes look.
18mm lashes are a type of mink lashes that are longer and more dramatic in volume but not by much. Your average lashes length is 18-20mm when you get 18mm lashes. They add about 6mm to your own lash lenght. 18mm mink eyelashes can be worn for any occasion and look great when paired with other makeup.
Generally it is only normal if you lose between 3 to 5 lashes per day.
When it comes to creating bold, thick and fuller eyelash looks, Volume Lash extensions, also known as Russian Volume Lashes, are the go-to beauty treatment. By adding multiple extensions to natural hair strands, the lashes create a denser and fuller appearance.
Russian Volume lashes are made from a variety of different ultra-fine synthetic fibres. The most common and popular type used by professionals is synthetic Mink. These create the illusion of thicker, fluffier lashes.
0.18 and 0.20 lashes are only used for classic sets. Since they are quite heavy, we recommend you use them only for clients with very strong natural lashes. However, 0.20 flat lashes are 40% lighter than normal classic lashes.
The thickness that works best for the classic look is 0.12mm, 0.15mm, 0.18mm, 0.20mm, and 0.25mm. However, lash extensions with a thickness of 0.15mm stand out as the most popular option, as it leaves a naturally thick look that complements the classic set of lashes.
5D is five extensions glued to one base eyelash, and 3D is three integrations stuck to one natural eyelash. 5D Russian volume eyelashes also known as 5D volume is the newest trend to take the extension business by storm.
As opposed to Classics, where one lash extension is stuck onto one eyelash, Russian extensions are where multiple lash extensions are applied to one eyelash. They can be applied up to 5:1 (5 extensions on one lash). This means each eyelash is really close together, creating the voluminous 'false lashes' look.
Eyelash extensions that are not securely attached to the natural lash will not last. Lifting of the extensions off the lash will occur. Also, if the wrong extension is selected (too long or too thick), proper application is more difficult and in some instances impossible.
On the plus side, Russian volume lash extensions can give you a gorgeous, full-lashed look that is difficult to achieve with regular mascara. They can also help your own natural lash appear longer and thicker. And if applied correctly, they should cause no damage to your natural lashes.
The longest eyelash on record was 2.75 inches long.
In comparison, the average lash length is about 10 millimeters.
The longest eyelash measures 20.5 cm (8.0 in) long and has grown on You Jianxia's (China) left upper lid.
Although we all have our own opinion as to what constitutes long eyelashes and what doesn't, there is a length that's officially considered as long eyelashes. That is 12mm and it is often known as eyelash trichomegaly.
Lash technician: To make the eye appear bigger, short lengths and medium lengths of a B Curl should be used. Ensure medium lengths are used in the middle outer eye to give a big round eye appearance.
Russian lashes are where a fan of 4 or 5 much finer lashes are applied to each one of your own lashes. This gives you extra fullness, length and curl. Russian lashes will look much thicker and fuller, whereas Classic lashes are usually more natural looking.
Lash extensions are available in various thicknesses and choosing the right lash extension diameter depends on multiple factors. However, most experts prefer lighter extensions between 0.05mm and 0.07mm. These diameters help achieve the most natural-looking results without weighing down your natural lashes.