Everything you need to know about Eyelash Extensions

Lash extensions are all the rage these days, with everybody from A-listers to normal people growing crazy after them. While lash extensions look amazing, the result is achieved through a lot of effort and skill. Want to know more about, different types of lash extensions and when to use them, their curls, thickness, and lengths. Keep reading to figure out.

What Are Eyelash Extensions?

Eyelash extensions are used to give your natural lashes a fuller look. Unlike stick-on lashes, these extensions are applied using semi-permanent glue that makes them last longer about 4 to 6 weeks. Extensions are made of many materials, few of most used one being faux mink, silk, and Korean PBT. Lashes  are applied in either cluster, fans, or individually. Depending on the application and various ways of eye mapping for different eye shape, the extensions come out to give different looks.

Eyelash extensions are defined using a lot of different features. You need to keep all of these in mind when you decide on the types of lashes your clients need. You need to think of their required volume, curl, length, and even the shapes of their eyes, to choose the lashes . We shall discuss all of these in detail in our other blogs.


Types of Eyelash Extensions

Classic Lash Extensions

Classic lash extensions are simple, beautiful, natural-looking eyelash extensions, and a go-to choice for minimalists. They are applied on a 1:1 ratio, which means one extension is attached to one natural lash. This allows you to achieve a natural enhancement. These extensions also cause less damage to the natural lashes as they are lighter. A classic can range between 0.1mm – 0.15mm, this would mean you can achieve an open eye effect without added discomfort. They can also be applied with volume eyelash extension to give it a hybrid look. The placement of lashes will depend on the natural eyelash extension conditions and shape and can be placed to the sides, top, or bottom of the natural lashes.

Classics eyelash extensions come in various sizes and qualities. A good quality lash extension holds up the shape of curls for a long, is either made up of faux mink or Korean PBT material which makes the lashes lightweight and easily removable.

Don't know where to buy good-quality lashes from? Shop here to buy Sivote eyelash extensions , lash tech's favorite extensions in bigger trays of 16 rows compared to others with 12.


How Long Do Classic Extensions Last?

Ideally, like other lash extensions – Sivote Eyelash extensions will last the full length of your natural lashes' cycle, which is about 4 to 6 weeks long. However, rubbing these extensions or with excessive contact with water can cause them to fall off early,

Classic Lash Application

Volume Lash Extensions

Volume lashes are the art of fanning and picking up multiple lightweight extensions at a time. They are applied on a 1:2-6 ratio (keep in mind we don’t recommend more than 6d curls), which means the extension is attached to anywhere from 2 to 6 on a single lash. Volume extensions are made from synthetic fibers, which are ultra-thin and gives them smooth look and feel. The most expensive and high-quality Volume lash extensions are made using synthetic mink. These lashes are arranged in a fan shape, which gives a feel of volume and a fluffier look. A volume can range anywhere between 0.03mm - 0.07mm, which makes them lighter than classic. However, their superior quality also means they come with a price tag more than the classics.
Like Classic Lash Extensions, Volume lash extensions come in various sizes and qualities. A good quality lash extension holds up the shape of curls for a long, is either made up of faux mink or Korean PBT material which makes the lashes lightweight and easily removable.

Don't know where to buy good-quality volume lashes from? Here's the link of Sivote Easy Fanning Lash Extension, lash tech's favorite in bigger trays of 16 rows. Making fanning a breeze!

Volume lashes application

What Are the Different Volume of Lash Extensions?

Lash fans are defined as 2D, 3D, 4D, 5D, and even 6D, because of the volume they provide. The number with the D tells you how many individual lashes are clustered into a fan. A 2D lash fan, for example, has 2 individual lashes clumped together, likewise, a 5d lash extension has 5 individual lashes. You need to decide the type of lashes to use depending on your demand for volume. The greater the number, the more volume it provides.

However, your demand is not the only thing you need to care about. As a professional lash artist, you need to keep a keen eye out for what types of lashes will suit what eye shape and how much weight a client’s single lash can take. Not everybody can pull off very voluminous lashes, and it will just look broody and odd on their face. Your natural lashes are something more to think of, If you have very thin lashes, lashes that are too heavy might be too much for your hair follicles. Not only will these extensions shed faster and cause shedding of your natural lashes but can also prevent new growth.

Ideally, you should use type 2-4D lash extensions. If you want a more dramatic look, and only if you have very strong lashes, you should move above the 4D mark.


How Long Do Volume Lash Extensions Last?

Ideally, Sivote lashes would last more than your natural lashes’ life cycle which is 4- 6 weeks. However, not caring for these regularly may cause them to fall out prematurely. Normally, you would require a refill every 2-3 weeks to maintain the full voluminous look.

Length And Thickness of Eyelash Extensions

Eyelash extensions are available from 6mm to 25mm. The length of extensions your client uses depends on the length of their natural lashes, and their recommendation.

Length and thickness chart of lash extensions

What Are the Different Types of Eyelash Extension Curls?

There are 8 different types of curls in lash extensions. The B-curl, C-curl, D-curl, J-curl, U-curl, and M-curl, and the L-curl. The type of curl you need to choose for your lash extension depends on the curl of your natural lashes.

J Curl

The J-curl has almost no curl to its end. The lashes are straight, with only a slight lift at the end. Since the lashes are almost straight, these extensions appear longer than other curls.

B Curl

The simplest and most popular curl for eyelash extensions is the B-curl. The extension is straight, with a little curl at the ends. Not only does the b-curl look subtle and soft, but it’s also a very good choice for women that want to make their lashes look natural with a little extra punch!

C Curl

The reason that the c-curl is the most popular among lash enthusiasts is that it works for almost every eye tip. The c-curl also does a good job lifting your lashes and gives a fuller and more pronounced look than the b-curl. Mainly it is a go-to for women that have thin lashes, they want to make it fuller. The cc curl is perfect if you want a fuller effect from the c curl but need a little of the drama d-curls provide too. 

D Curl

The D curl is all about the drama. The lash extensions resemble a semi-circle, which is why these lashes don’t work for everybody. However, they are the perfect fit for people that have naturally curly eyelashes. The DD curl lashes are for people that want a fluffy look to their eyelashes. The curl of the lashes makes them look bouncy and soft, all the while ensuring the perfect d-curl drama. 

L Curl

Finally, the L and L+ curls are the least popular types of lash extension curls. They start as a straight line before bending upwards at the end. If you're someone with hooded eyes or downturned lashes, you might want to give L-curl lashes a try. 

M Curl

An M curl starts with a flat base and finishes with a strong upwards curve. The best part of these curls is that there is no kink in the transition from flat base to the curled end. Since it has a dramatic curl, but no kink, it gives a strong, yet smooth lifting effect to the eyes. Perfect for droopy or hooded eye shapes.

U Curl

U curl are the strongest of all eyelash extension curls, which is why they don't suit most people. They are ideal for customers having downward-angle lashes

 I Curl

I curl lashes are almost straight lashes, and most suitable for men and women who want to achieve a fuller look without lift. This is the minimalist choice for imitating your natural eye but making it look a little fuller.

Curl chart


How to Make Your Extensions Last Longer?

Avoid oil-containing makeup removers. Never rub your lashes, and always pat them dry after washing your face. Avoid washing your face at all on the face day after application. For the next two days, avoid swimming, saunas, and other places or activities that require prolonged contact with water. Hot water is also something you should avoid as it can cause the glue to melt off. Finally, never use waterproof mascara on your extensions. Waterproof mascara will cause buildup on the lashes, which will lead to clumping, and finally force the lashes to come off.

Retention tips

Use a lash brush or spoolie along with the lash shampoo and run it through your extensions in the morning, to untangle them, remove any buildup, and maintain hygienic lashes.

How Do I Remove My Eyelash Extensions?

Never, under any circumstances, do not try to remove your eyelash extensions yourself. You might pull out your natural eyelashes prematurely, which can lead to problems with the follicles of the lashes. If the natural lashes don’t break properly, you can even cause ingrown hair, which is bound to be painful.


The features your or your client has, including their orientation, and the shape of their eyelids also does a lot to determine how a specific type of lash extension will look on them. Each person will require a different type of curl, material, and even length. What tips do you think we missed? We'd love you to share your experience and feedback in the comments below.