The Science of Eyelash Growth: Key Insights – SavarnasMantra

The Science Behind Eyelash Growth Serums: What You Need to Know

May 13, 2024

Bhavini Desai

The Science Behind Eyelash Growth Serums: What You Need to Know


Have you ever dreamt of fluttering long lashes? Have you dreamt about having them without any massive eyelash mascara coats or falsies? Have you dreamt about having them long-term, naturally? Like you wake up with them and go to sleep with them? Well, allow us to inform you that your dreams can come true. And the hero of those dreams is eyelash serum. Yep, the humble eyelash serum that has been ignored and relegated to the bottom of lash beauty tools. The same lash serum can give you natural eyelashes that could rival even the most glamorous Hollywood stars. 

Eyelash growth serums have surged in popularity lately, promising to enhance the length, thickness, and even fullness of your lashes. But what's the science behind them? Lets tell you a little about it.

Understanding Eyelash Growth to Understand Eyelash Serum

Before the specifics of eyelash serums, lets understand the natural growth cycle of eyelashes:

  • Like the hair on your scalp, eyelashes undergo a continuous cycle of growth, rest, and shedding. 
  • This cycle is known broken down into 3 phases — anagen, catagen, and telogen.
  • This cycle determines the length and density of your lashes.


What is Eyelash Serum?

Eyelash serum is a topical treatment usually made up of oils, peptides, proteins, and other hair-growth-inducing ingredients. It may also contain conditions agents, nourishing agents, and smoothening substances. A natural lash serum goes one step ahead and only employs natural, organic, or botanical ingredients to extract the same results as chemical lash serums. The main benefits of lash serum are:

  • To stimulate lash growth.
  • To enhance thickness.
  • To prolong the growth phase of the hair follicles.

Key Ingredients to Look For in Eyelash Serum

While the formulations of lash serums may vary, several key ingredients have been scientifically proven to support lash growth:

  1. Prostaglandin Analogues: These synthetic compounds mimic the effects of prostaglandins. Prostaglandins are naturally occurring molecules in the body known to regulate various cellular processes, including hair growth. Prostaglandin analogues — bimatoprost, latanoprost, etc have been clinically shown to significantly enhance lash length and fullness.
  1. Peptides: Certain peptides like Myristoyl Pentapeptide-17 and Myristoyl Hexapeptide-16 can stimulate the production of keratin. This protein forms the structure of eyelashes. By promoting keratin synthesis, peptides contribute to longer, stronger lashes. They form the base of most lash serums, while natural peptides are added to increase the efficacy of natural lash serums.
  1. Biotin: Also known as vitamin B7, biotin is natural as well as synthetic. It plays a crucial role in maintaining the health of your hair, skin, and nails. Including biotin in eyelash serums can fortify the lashes, prevent breakage, and promote overall lash health. 
  1. Panthenol: This provitamin of B5 acts as a humectant. This means — it attracts moisture to the lashes and improves their flexibility and strength. Panthenol also soothes and conditions the lash follicles, supporting healthy growth.
  1. Natural Extracts: Ingredients like grapefruit extract, ginseng extract, pumpkin seed extract, plant cellulose, etc are popular natural lash-growth champions. They are rich in antioxidants and nutrients that nourish the lashes, while also protecting them from environmental damage. Our in-house Savarnas Mantra Natural Eyelash Serum works with the synergy of grapefruit extract and plant-based cellulose. It is enriched with Panthenol Vitamin B5 and works harmoniously to not only stimulate longer, thicker, fuller lashes but also condition them for everyday shine.


How Does Lash Serum Work?

The lash serum works by penetrating the hair follicles and delivering active ingredients directly to the root. 

Once absorbed, these ingredients stimulate cellular processes involved in hair growth — cell proliferation and protein synthesis. 

Over time, regular use of an eyelash serum can lead to visibly longer, thicker, and healthier lashes.

The Importance of Consistency in Lash Care

While yes, eyelash serums can deliver remarkable results, consistency is key. Not only in achieving but also maintaining those results. Most serums require daily application, usually in the evening after removing makeup. By incorporating the serum into your nightly skincare routine, you can ensure optimal absorption and best efficacy.


Safety Considerations

Lash serums are generally safe for use. However its essential to follow the manufacturer's instructions carefully to minimize any risk. Some individuals may experience mild irritation or allergic reactions to certain ingredients, so it is always best to perform a patch test beforehand.

Additionally, pregnant or breastfeeding women should consult with their healthcare provider before using any eyelash growth serums.



Eyelash growth serums offer a scientifically backed solution for longer, fuller lashes. The key here is consistency. And patience. As stated above, the lash-growth cycle is a three-phased process. It takes time. Months even. So be patient and continue applying your serum with positive affirmations for your lovely lashes. At Savarnas, we believe your lashes are already beautiful. All you need to give them is some love and care to have them grow the way you want them to!