The Ultimate Guide to Getting Eyelash Extensions

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If I had to choose just one makeup product to use every morning, it would be mascara. Why? It doesn’t require as much effort as eyeliner or eyeshadow. With just one or two strokes, it instantly gives my lashes that thickened look that every makeup lover desires.

Although mascara is loved by many, the downside of it is its very short shelf life. I, among many mascara users, find myself replenishing my mascara supply more often than any other cosmetic product because it doesn’t take long for it to dry out. This is essentially why I’ve resorted to getting eyelash extensions.

lash-extensions before after

What Exactly are Eyelash Extensions?

If you’ve reached a point where constantly applying and restocking mascara has become too demanding and time-consuming, then eyelash extensions are what you need. Eyelash extensions are synthetic lashes made of PBT Fiber that is attached to your natural lashes semi-permanently using medical-grade adhesive. They can be applied individually or in clusters.

Common objections people have against eyelash extensions include possible allergic reactions or achieving unnatural, unflattering results. This is why it’s important to consider the different factors involved when getting eyelash extensions.

In this guide, I’ll break down all the information you need before getting your first eyelash extensions:

Choosing the Right Length

Getting eyelash extensions is not a one-size-fits-all affair. Choosing the right length and diameter for your extensions is crucial if you don’t want to risk serious damage to your existing lashes. Lashes that weigh too heavy may cause your natural lashes to break and prevent your lash follicles from growing healthy abundant lashes.

Eyelash Extensions Chart

The rule of thumb here is to choose a length that’s 2 to 3 mm longer than your natural eyelashes. To ensure safe application and a natural appearance, it’s best not to go beyond 3 mm.

Another thing to remember is to choose a diameter as close as possible to that of your natural lashes. You can go slightly thicker if you’d like a more drastic change.

If you’re planning to get long lashes, you might want to consider a thinner diameter to reduce the weight and to achieve balance.

Choosing the Right Type of Curl

There are several curl types to choose from when getting eyelash extensions. The most natural-looking one is the J-curl. It starts off straight with a very slight curl at the tip. It gives more emphasis on length than curl. This type of curl is ideal for those looking to add volume and length. It’s also the simplest one to apply.

The B-curl has a slightly curlier tip than the J-curl. It’s the ideal choice for those with tricky straight lashes that need only a bit of a lift.

The C-curl is the most popular curl as it suits almost any eye shape.  It’s perfect for those who have a slight curl in their natural lashes but want to make their eyes appear fuller and more open.

The D-curl is shaped like a semi-circle and is best for those who want a more dramatic look. It usually suits those who already have naturally curly eyelashes.

The L+ curl has a similar curl to the C and D curls except that it has a flat base, which gives your lashes maximum lift. It’s suitable for those who have hooded eyes, single eyelid, and lashes that point straight and downward.

Choosing the Right Volume

While classic eyelash extensions are directed at giving lashes more length and curl, there are also clients who prefer a fuller look that goes beyond single lashes. This is why volume lashes started gaining popularity in the eyelash extension industry in the early 2010s.

Single VS Volume Eyelash Extensions

Volume lashes are done by applying multiple extensions to a single eyelash, each extension being lighter and thinner than the previous one. The lightweight nature of the lashes creates a darker yet softer appearance that doesn’t necessarily damage your natural lashes.

Volume lashes split into two or more parts. With 2D lashes, 2 extensions are added to every natural eyelash, and so on and so forth.

2D extensions are a bit fuller than classic extensions. Both 2D and 3D volume lashes achieve a natural look and are suitable for thin and sparse natural lashes.


4D to 6D lashes are ideal for those who want to create a more dramatic appearance. These are suited for those with naturally strong-looking lashes. The categories extend all the way up to 20D. I usually don’t go beyond 6D.


By now you must know that everyone’s eyelashes are different and applying eyelash extensions is a complex process – before, during, and after. It’s important to choose the right size, curl, and volume before anything else. To achieve the look that suits you best in the safest manner possible, make sure you consult a reputable salon or more specifically the actual lash technician.