- FIRST CHANGES in 2–4 weeks
- No prostaglandins, ever
- TWO PATENTED PEPTIDES
- Safe for sensitive eyes
- Safe With Lash Extensions
- Vegan and Cruelty-Free
- 60 Day Money-back Guarantee
Finally, a lash serum without the side effects.
Most lash serums use prostaglandin analogs, the ingredient behind irritated eyes, darkened lids and orbital fat loss. Ours uses patented peptides instead, gentle enough for sensitive eyes and safe with extensions.
Your first serum order comes with a free box of Peptide Eye Masks, on us.
- Prostaglandin-free
- Patented peptides
- Extension-safe
Scientifically formulated to enhance your natural beauty
Bundle and save 10% on the routine.
Bundle the natural beauty routine to save 10%.
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Grow with Peptide Lash & Brow Serum
Biotinoyl Tripeptide-1 and Acetyl Tetrapeptide-3, working at the root to keep your natural lashes in their growth stage longer.
Shop now — Grow with Peptide Lash & Brow Serum
Soothe with Peptide Eye Masks
Hydrating, non-slip and ultra-cooling gel eye masks. Apply, wait 15 minutes, and go about your business.
Shop now — Soothe with Peptide Eye Masks
Clean with Gentle Foaming Shampoo
Makeup and skincare buildup can cause your extensions to shed faster. Extend the lifespan and quality of your extensions. Formulated by scientists and lash artists.
Shop now — Clean with Gentle Foaming Shampoo
Drag to see the difference.
8 weeks
Before
Use the left and right arrow keys to move the divider.
Real before/after photo of results using the Light Heart Lash Serum. Individual results vary.
Most people notice a difference by week two.
The peptide complex conditions the lash and brow follicle so hairs stay in their growth phase longer, which improves the appearance of length and density. One swipe along a clean, dry lash line at night is the whole routine. Daily use gives the best results and individual results vary.
- Week 2
- Less shedding
- Week 4
- Visibly darker, denser looking lash line
- Week 8
- Full length and curl
I picked my lash line down to nothing.
I pulled my lashes out compulsively for fifteen years. I tried every serum on the market, including prescription-strength formulas. Those worked, and the side effects were brutal. Inflammation. Irritated lash lines. Discolored lids.
After we landed on this formula I went from a bare lash line to three full layers, corner to corner, in about sixty days. No redness. No irritation. I tested it through an entire pregnancy and it kept working.
If you struggle with this too, you are not alone.
Peptides, never prostaglandins.
Prostaglandin analogs are what most lash serums use. Ours never has, and never will. Our gentle yet effective formula uses a patented peptide and botanical blend of oh-so-soothing serum magic.
Prostaglandin serums
- Red, irritated eyes
- Darkening of the lid and iris, which can be permanent
- Orbital fat loss, the hollowing that makes eyes look sunken
- Often unsuitable for sensitive eyes
Light Heart peptide complex
- No prostaglandins of any kind
- No pigment change to lid or iris
- No effect on the fat pad around the eye
- Made for sensitive eyes and safe with extensions
Frequently Asked Questions
Does this actually work without prostaglandins?
Yes, through a different mechanism. Prostaglandin analogs act on the hair follicle receptor to force the lash into a longer growth phase. Our two patented peptides, Biotinoyl Tripeptide-1 and Acetyl Tetrapeptide-3, condition the follicle so hairs stay in their natural growth phase longer. Think of peptides as messengers telling the follicle to do its job properly. It is gentler, so it runs on a slightly longer timeline. Less shedding around week two, full results around week eight.
What is orbital fat loss, and why does it matter?
It is the slow thinning of the fat pad that sits around your eye. It is a documented side effect of prostaglandin analogs and it shows up as a sunken, hollowed look through the upper lid. It is gradual, it is easy to miss until someone points it out in a photo, and it does not always reverse when you stop. Peptides do not act on that tissue at all.
Can I use it with lash extensions?
Yes. It is oil-free, so it will not break down extension adhesive. Apply it to the lash line and let it dry before anything else touches your lashes. In fact, many lash artists stock it for exactly this reason.
How long does one tube last?
Around eight to ten weeks with once-nightly use on both eyes.
What if it does not work for me?
Give it the full eight weeks — that is one complete growth cycle. If you have used it as directed and see no change, get in touch and we will make it right.
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