Image of Lash client getting eyelash extension

Ultimate Guide to Wearing Lash Extensions

With their fluttery enchantment, luscious and long eyelashes may lend that extra punch to your look. If you were not born with this feature, eyelash extensions could be a simple, practical, and cost-efficient solution that will last a long time.

Eyelash Extension Definition: What Are Eyelash Extensions? 

Eyelash extensions are semi-permanent applied to your natural lashes to make them look longer, thicker, and darker. Individual lash extensions are attached with semi-permanent glue to each of your natural eyelashes.

Lash extensions can be composed of synthetic, faux mink, or silk strands; however, the material differs from different lash studios. Lash clients can customize their style by choosing from extension lengths, curl patterns, and tints. 

Unlike false extensions that you can just buy and apply by yourself, eyelash extensions are done by a professional lash stylist/lash artist at a lash salon. Typically, lash extensions are applied to the top lash line and not the lower lashes. But, like with anything else, there are exceptions to every rule!

Image of eyelash extension tools and products lash artists use

Eyelash Extensions: The Benefits 

Every woman sometimes desires full, long, fluttery lashes with this fantastic technique is undoubtedly one of the most popular beauty trends for gorgeous and natural lashes. Here is why:

  • It saves time and effort during a busy morning routine
  • Adds up length and volume
  • Enjoying life without worrying about your looks
  • It makes you look fresh and younger
  • Boost your confidence 

Eyelash extensions provide a lot of benefits. After all, getting a lash extension is convenient in many ways, not just to your natural beauty but also saves up your day by decreasing your long daily morning/beauty routine.  

Eyelash Extensions: Different Types 

Here's a comprehensive description of the types of lash extensions, including their structure, size, and more:

Image of eyelash extension types designed as portrait in a lash studios

  • Material

There are both natural and synthetic alternatives.

Mink, fake mink, sable, and silk fibers are examples of natural fibers. Synthetic lash extensions (also known as acrylic lashes) manufactured from a thermoplastic fiber called PBT are known as artificial fibers.

  • Length

Eyelash extensions are available in short lengths ranging from 5 to 8 mm, moderate sizes ranging from 9 to 12 mm, extended sizes ranging from 13 to 16 mm, and extra-long lengths ranging from 13 to 20 mm.

The most frequent lengths are currently 5 mm to 16 mm.

  • Curl

In the realm of lash extensions, different curls are available such as I, J, B, C, D, CC, DD, U, L, and M.

Curls with improved lifts, such as L+, B+, C+, and D+, are designated by the '+' sign. Unlike the other curly choices, I and J are typical straight lashes with/without a slight curve.

  • Diameter

The thickness of extensions is measured in millimeters in extension lashes to complement natural lashes without feeling excessively heavy or limp.

Lash technicians commonly employ diameters ranging from 0.03, 0.05, 0.07, 0.10, 0.12, and 0.15 mm, however other sizes such as 0.18, 0.20, 0.23, 0.25, and 0.30 mm are also available.

Eyelash Extensions: The Style 

When we talk about eyelash extension styles, we're referring to the length distribution and general contour they provide to the eyes. When getting eyelash extensions, there is no one-size-fits-all lash extension approach that will work for everyone's eyes, bone structure, facial shape, and natural lash form. The shape will significantly influence your eye shape and general appearance.


  • It is a lash style in which the classic set is applied (sometimes in combination with the 'volume' technique) to the natural appearance of your lashes. The natural curl of your lashes is mirrored in this design. 
  • The inner and outer margins will be slightly shorter, whereas the eye's middle will be stretched and mixed in length. This technique will make your lashes appear organically natural but much better.

Doll Eyes 

  • Combining ultra-curl lash extensions, such as D and DD curl, is the key to crafting this look. Always base the curl on the texture, length, and curl of your lash client's natural lashes. Depending on your client's lashes' texture, length, and curl.
  • Doll eye is a term used in some salons to describe a rounded look with long or medium-length lashes all around the outer 3/4s of the lash line. 

Cat Eyes 

  • Cat Eye is the best alternative if your client has small eyes. You'll need a wide range of curl mixes in this style, starting with C and working your way up to D.
  • You can also use the letters CC and C+. A skilled lash artist may place slightly shorter extensions just over the outer corner of the eye. The lashes will successfully lift your look in this manner.

Squirrel Eye

  • The eyelashes grow longer from the middle of the eyelid to the outside corner. Extremely lengthy eyelash extensions embellish the edge. The edges of the eyes flash out with a great bend. 
  • They provide the impression of upturned eyes. The lashes are longest in the second-to-last quadrant, right above the outer half of the eye, where lash artists divide the lash line into four pieces.

Eyelash Extension: The Application Process 

Every lash artist wants to find the right way to apply lash extensions to natural lashes. But even with the best consultations and the best design, lash strands shed before they should.  

Here is the process of how the application should be done. 

Step 1 - Apply the eye pads 

Step 2 - Prepare and select the lash extension products and kit to use 

Step 3 - Pick up the individual lashes 

Image of eyelash extension application

Step 4 - Dip it into the glue 

Step 5 - Isolate and swipe 

Step 6 - Dry the adhesives 

Eyelash Extension: Appointment Preparation

NO- Makeup: No mascara, concealer, makeup, or skincare around the eyes for the lash artist. Arrive makeup-free to save time. 

NO- Coffee: It can be nerve-wracking to be perfectly still (with your eyes closed) for up to two hours. Caffeine of any kind amplifies jitters.

Relax: You can do this before or after work, but you'll be lying for two hours. Wear comfortable, non-adjustable clothes. It can take two hours. Before your lash artist begins, use the restroom and don't drink for at least an hour.

Know your allergies: Professional lash artists apply for lash extensions in the safest way possible but the process sometimes has common reactions like a client being sensitive to the fume of the lash glue. Before setting up appointments, lash artists and clients may talk about what products are best to use.  

Eyelash Extensions: Aftercare Tips

Image of successful eyelash extension application

  • Don't Get Them Wet for the First 24 Hours
  • Avoid Oil-Based Cleansers
  • Don't Spend Too Much Time Under The Showerhead 
  • Adjust your sleeping position 
  • Try not to rub your eyes or touch your extensions
  • Avoid Using an Eyelash Curler

Eyelash Extensions: Frequently Asked Questions 

Image of lash client’s beautiful eyelash extension

How long do they last?

Eyelash extensions usually last two to four weeks, although they might stay longer depending on how you take care of them. The natural lash growth cycle lasts about 90 days. It thickens initially, reaches its maximum length, stops growing, and ultimately sheds. It also implies that each eyelash grows at its own pace. As a result, the replenishment timetable varies from person to person.

Are eyelash extensions painful?

It doesn't hurt when an extension is applied appropriately to the natural lash. It is because it should never come into contact with your skin. Many people fall asleep throughout the application process because it is so relaxing and peaceful.

Is it possible to wear eyelash extensions for a long time?

Yes, lash extensions are worn for two to six weeks without problems. They don't irritate the eye or lashes, regardless of when they shed with your natural lashes.

How to find a good lash salon?

Finding a qualified lash technician is the first step in getting a decent lash service. To receive effective eyelash extension treatment without hurting your eyes or natural lashes, you'll need certified specialists who use safe and high-quality supplies.

Image of Lash salon

Examine the salon and its techs' experiences, reviews, and history before booking an appointment, just as you would a restaurant or a business before buying from them.

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