Free Shipping on Orders Over $100
Lake & Main
Cart 0
  • Body Products
  • Facial Products
  • Home & Wellness
  • Collections
  • Product Guide
  • Ingredient Bible
  • About Us
    • Our Story
    • Wholesale
    • Handcrafted in Canada 🇨🇦
    • Clean & Ethically Sourced
    • Blog
My Account
Log in Register
Australia (AUD $)
Austria (EUR €)
Belgium (EUR €)
Canada (CAD $)
Czechia (CZK Kč)
Denmark (DKK kr.)
Finland (EUR €)
France (EUR €)
Germany (EUR €)
Hong Kong SAR (HKD $)
Ireland (EUR €)
Israel (ILS ₪)
Italy (EUR €)
Japan (JPY ¥)
Malaysia (MYR RM)
Netherlands (EUR €)
New Zealand (NZD $)
Norway (CAD $)
Poland (PLN zł)
Portugal (EUR €)
Singapore (SGD $)
South Korea (KRW ₩)
Spain (EUR €)
Sweden (SEK kr)
Switzerland (CHF CHF)
United Arab Emirates (AED د.إ)
United Kingdom (GBP £)
United States (USD $)
English
Lake & Main
  • Body Products
  • Facial Products
  • Home & Wellness
  • Collections
  • Product Guide
  • Ingredient Bible
  • About Us
    • Our Story
    • Wholesale
    • Handcrafted in Canada 🇨🇦
    • Clean & Ethically Sourced
    • Blog
Account Cart 0

Search our store

Lake & Main
Account Cart 0
Popular Searches:
Nourish Glow Hyaluronic Acid
News

What Actually Makes a Lash Serum Work?

by Georgia Bogert on May 19, 2026
What Actually Makes a Lash Serum Work?

Lash serums are everywhere right now.

Some promise dramatic growth in just days. Others claim longer, darker, fuller lashes almost overnight. And while a few of those products can create visible changes quickly, they often come with tradeoffs—especially around the delicate eye area.

So it raises an important question: What actually makes a lash serum effective?

The answer is a little more nuanced than most marketing would suggest.

Because not all lash serums are trying to do the same thing.

Growth vs. Condition: Two Very Different Approaches

Many conventional lash serums rely on pharmaceutical-style active ingredients designed to artificially extend the lash growth cycle.

These ingredients can absolutely produce dramatic results for some people—but they can also come with side effects like irritation, redness, dryness, and sensitivity around the eyes.

That approach never felt aligned with how we think about long-term skin health.

When we created GROWTH Lash Serum, our goal wasn’t to force lashes into rapid growth. It was to support the overall condition of the lashes and brows you already have.

Healthier, more conditioned lashes often appear:

  • fuller
  • softer
  • more flexible
  • less brittle
  • and less prone to breakage over time

Why Lash Condition Matters More Than Most People Think

Your lashes go through a natural growth and shedding cycle.

Everyday habits can disrupt that cycle more than we realize:

  • rubbing your eyes
  • aggressive makeup removal
  • waterproof mascara
  • lash extensions
  • over-plucking brows
  • friction while sleeping
  • dryness around the follicle area

Over time, lashes and brows can start looking sparser not necessarily because they aren’t growing—but because they’re becoming more fragile.

That’s where conditioning ingredients can make a meaningful difference.

Not by forcing overnight transformation, but by helping support moisture, flexibility, and overall lash integrity.

A Closer Look at the Ingredients in GROWTH Lash Serum

Like all of our formulations, GROWTH is intentionally simple.

Every ingredient has a purpose.

Castor Oil

Castor oil has been used traditionally in hair and lash care for generations.

While research does not conclusively prove that castor oil directly increases hair growth, it is rich in fatty acids that help condition and coat the hair shaft, improving softness and reducing brittleness.

In practical terms, conditioned lashes are often less likely to snap or appear dry and sparse.

Vitamin E

Vitamin E acts as an antioxidant, helping protect both the skin and hair from oxidative stress.

Around the lash and brow area, that support can help maintain softness and overall hair condition over time.

Panthenol (Vitamin B5)

Panthenol is widely used in haircare because of its ability to attract and retain moisture.

It helps improve flexibility and smoothness, which can make lashes and brows feel healthier and more resilient.

Rosemary & Lavender Essential Oils

Rosemary has a long history of traditional use in haircare, particularly around scalp and follicle support.

Lavender brings a calming aromatherapy element to the nightly ritual, while also contributing gentle antioxidant properties.

Importantly, GROWTH uses these ingredients in a balanced, minimalist formula designed for consistent nightly use—not intensity.

Why Consistency Matters More Than Intensity

One of the challenges with lash care is that people often expect immediate results.

But lashes grow slowly.

The full lash growth cycle can take several weeks to months, which means meaningful changes in appearance tend to happen gradually.

That’s why consistency matters so much more than aggressive treatment.

Used nightly, GROWTH becomes less about chasing dramatic overnight transformation and more about supporting healthier-looking lashes and brows over time.

For some people, that may mean lashes appear fuller simply because they’re breaking less.

For others, it may mean brows feel softer, more conditioned, or begin looking less sparse after periods of over-plucking or stress.

Subtle changes, but real ones.

A Softer Approach to Lash Care

At LAKE+MAIN, we’ve always believed that the products we use consistently should support the skin and body gently over time.

Not overwhelm them.

GROWTH was created with that same philosophy.

A simple nightly ritual.
Thoughtful ingredients.
A healthier environment for lashes and brows to thrive in naturally.

Tags: Lash Serum
Previous
Why Some Skincare Works in Days — And Other Products Change Your Skin Over Years
Next
Why Your Skin Needs Different Things in Winter and Summer — And How NOURISH Bridges Both

Related Articles

The LAKE+MAIN Skincare Gift Guide: Gift Sets for Every Skin Type

The LAKE+MAIN Skincare Gift Guide: Gift Sets for Every Skin Type

Magnesium Spray vs. Magnesium Gel: When to Reach for REST EASY or RELIEVE

Magnesium Spray vs. Magnesium Gel: When to Reach for REST EASY or RELIEVE

Your Fall Skincare Routine: What Your Skin Actually Needs as the Weather Shifts

Your Fall Skincare Routine: What Your Skin Actually Needs as the Weather Shifts

Hyaluronic Acid vs. Vitamin C: Which Treatment Serum Is Right for You?

Hyaluronic Acid vs. Vitamin C: Which Treatment Serum Is Right for You?

Instagram

Let’s get in touch

Subscribe for a FREE copy of our Skin Health Ebook and exclusive discounts.

About

  • FAQ
  • Our Story
  • Happy Customers
  • Shipping
  • Returns

Policies

  • Privacy
  • Terms

Our store

33 Main Street, Westport, ON K0G 1X0, Canada.

Lake + Main is a skincare brand based in the beautiful village of Westport, located on Main Street by the lake. We handcraft natural, non-toxic skincare products and operate both a retail location and manufacturing space, where we focus on offering high-quality products inspired by a healthy, active lifestyle.

© LAKE & MAIN 2024
Payment options:
  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • iDEAL Wero
  • Mastercard
  • Satispay
  • Shop Pay
  • Visa
This website uses cookies to ensure you get the best experience on our website. Learn more

Shopping Cart

Your cart is currently empty.
Add note for seller
Estimate shipping rates
Add a discount code
Subtotal $0.00
View Cart
★ Reviews

Let customers speak for us

388 reviews
Write a review
95%
(368)
3%
(13)
1%
(3)
1%
(2)
1%
(2)
174
20
A
STEAM Shower Steamers
Anonymous
Steam shower steamers

Really love the smell of my steamers.

L
BALANCE Alcohol-Free Toner
Liz Grypma
An important part of my daily skin routine

An important part of my daily skin routine.

L
Simply Essential Collection
Liz Grypma

My three favourite products.

L
NOURISH Four-Season Moisturizing Serum
Linda Bonner
I like the serum

I like the serum. It has a nice texture and instantly feels good on your skin. No greasy feel. It goes on smoothly and your skin feels nourished.

K
GLOW Facial Elixir
Katie Shanks
The only choice

My Nourish and Glow is everything to my face...the only acceptable product to use now...I was never EVER a product snob...These two (plus Smooth Operator) made me LOVE my face routine...THANK YOU