The Research Behind InLei® Filler 3

InLei® Filler 3 has become increasingly popular because of its ability to dramatically impact eyelash hair. If you’re new here, let me fill you in on this incredible product. 
The Research Behind InLei® Filler 3 -

This blog originally appeared on InLei Canada and can be viewed by clicking here.


InLei® Filler 3 - Known as the last step in the incredible InLei® Lash Filler system, and famous in the beauty industry for so much more! 


If you’ve heard of InLei® before, you may already know that the Lash Filler and Brow Bomber systems are both praised for the incredible quality and results they offer during lash lift and brow lamination treatments. One product in particular, InLei® Filler 3, has become increasingly popular because of its ability to dramatically impact eyelash hair. If you’re new here, let me fill you in on this incredible product. 


InLei® Lash Filler is a revolutionary lash lift and tint treatment that works 100% of the time if used correctly. InLei® Filler 3 is the third and final step of the system and is known as the “magic potion” which increases the thickness of the lashes by up to 24% in just 3 sessions. The research behind Filler 3 is incredible and InLei® (by Selita SRL) has performed rigorous testing to ensure that their solutions do exactly what they say they do. It’s not a theory - it's science.


InLei® Filler 3 contains 3 active ingredients that, formulated together, create a product that dramatically impacts the hair, making it thicker, longer, & stronger! The ingredients also leave the hair silky, shiny, & smooth. The three ingredients are Panthenol (Provitamin B5), Biotinoyl Tripeptide-1, and Hydrolyzed Keratin. Learn more about these ingredients here!


Once Filler 3 was developed, the product went through a challenge test, an ocular irritation test, and an effectiveness test to prove that the solution is gentle, non-irritating, and clinically effective in thickening the lashes.

You hear of companies all the time claiming that their product is the best, but do they have the tests to prove it? InLei® thought of everything to ensure their customers can confidently trust the results of the Lash Filler line.

We know what you’re thinking. You have the research? Prove it!

InLei® Italy has published the results of the clinical trial, and they have summarized it for you in the attached blog. To view the specific details and photos taken during the trial, click here: InLei® Lash Filler: the eyelash lamination revolution. We summarized some of the key points for you below. 

  • Experienced professionals from the Light Lashes Academy and a dermatologist from the Scientific Institute in Milan tested the product on 20 volunteers between the ages of 25 and 45. Over a 3 month period, the test was broken into 3 consecutive treatment sessions. During this time, the volunteers did not use any products such as mascara, gels, or serums on their eyelashes, and only cleansed with the InLei® Aloe Mousse.
  • As mentioned in the blog, the measurements of the eyelashes were made over a specific timeline with a HURIX RX 2000 3D digital microscope. The photos were taken before and after the treatment that was performed once a month for 3 months. 
  • The thickness of the lash hair was measured in micrometers, or “μm” (one-thousandth of a millimeter). At the beginning of the trial, the diameter of the hair varied between 112.4μm and 111.8μm (about 0.12mm and 0.11mm, speaking in “eyelash extension” terms). 
  • After the third and final treatment, the thickness of the eyelash reached 144.1μm - 143.4μm (about 0.14mm).

This means that at the end of the trial, it was concluded that the eyelash diameter increased, on average, by up to 24%. On July 4th, 2017 the company received the official report confirming the effectiveness of the treatment. This confirmation was groundbreaking because InLei® Filler 3 was the first product in the world that had been properly put through clinical testing to confirm the effectiveness it claims to have. Many other companies allege that their product increases the volume of the lashes, but InLei® actually proved it. 


“Lamination is actually a bit of a legend, because 99% of the products on the market are based on an alleged increase in the volume of the lashes that no one had ever actually confirmed. Nobody… before us!”





Lash lifts have come a long way over the years, and InLei® is taking over as the go-to product line for salons all over the world that offer this service. Switch over to InLei® today and start seeing the results for yourself!



Take a look at InLei® Italy’s Research & Development Department Below!






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