OLAPLEX LASHBOND® Building Serum – Prostaglandin-Free Lash Growth Serum
Longer lashes | Prostaglandin-free safety | Clinically proven peptide technology
Overview
Experience the next evolution in bond-building science with OLAPLEX LASHBOND® Building Serum — the first lash treatment powered by the brand’s iconic bond repair technology. This prostaglandin-free formula helps you achieve visibly longer, denser, and stronger-looking lashes without irritation or hormonal side effects.
Infused with the OLAPLEX Peptide Complex Technology™ and the brand’s signature Bond Building Technology™, this lightweight clear serum nourishes and strengthens lashes from root to tip. Clinically tested and ophthalmologist-approved, it’s safe for sensitive eyes, contact lens wearers, lash extensions, and lash lifts. Visible improvements begin in 2–4 weeks, with optimal results at 12 weeks of continuous use.
What It Does
- Boosts the appearance of lash length, density, and volume within weeks.
- Strengthens lashes from the root to reduce fallout and breakage.
- Nourishes and hydrates lashes to improve flexibility and resilience.
- Conditions and supports the lash line for a healthier appearance.
- Free from prostaglandins, parabens, sulfates, and fragrances.
- Quick-drying, non-sticky formula perfect for everyday use.
Key Ingredients
- OLAPLEX Peptide Complex Technology™ – Exclusive peptide blend that supports the natural lash cycle and enhances visible density.
- Bond Building Technology™ – Reinforces lash structure by repairing broken disulfide bonds for stronger, more resilient lashes.
- Hyaluronic Acid – Attracts and locks in moisture, keeping lashes flexible and conditioned.
- Biotin – Boosts keratin production to promote thicker, fuller lashes.
- Panthenol (Vitamin B5) – Smooths and hydrates, improving the softness and shine of each lash.
Who Is It For?
Recommended for:
- Anyone seeking longer, fuller, and stronger-looking lashes without hormones or prostaglandins.
- Individuals with short, sparse, or brittle lashes needing a strengthening boost.
- People with sensitive eyes or those who wear contact lenses.
- Users who have lash extensions, lash lifts, or wear false lashes.
- Those looking for a safe, clinically tested lash serum backed by science.
How to Use
A. Standalone Application
- Apply twice daily — once in the morning and once at night — to clean, dry skin along the upper lash line.
- Allow 90 seconds for the serum to fully absorb before applying makeup or skincare.
- Continue daily use for 12 weeks for optimal results; after that, apply once daily for maintenance.
Pro Tip: For best results, make LASHBOND® part of your morning and evening beauty routine. Consistent application is key for visible, lasting results.
B. Within the OLAPLEX System
Integrate LASHBOND® Building Serum into your regular OLAPLEX bond-building routine to strengthen lashes and brows for a complete care experience.
Clinical Results
Based on a 12-week clinical study of 33 participants using the product twice daily:
- 94% reported more voluminous-looking lashes
- 97% noticed denser, fuller lashes
- 97% saw visibly longer lashes
- 100% experienced thicker-appearing lashes after 12 weeks
Users begin to see conditioning and strength improvements in as little as two weeks, with fuller, more defined results by week four.
Safety & Science
- Prostaglandin-free – no hormone-based growth agents or side effects.
- Ophthalmologist-tested – safe for sensitive eyes and contact lens wearers.
- Vegan and cruelty-free – formulated without animal ingredients or testing.
- Clean formulation – fragrance-free, paraben-free, sulfate-free, and silicone-free.
Results You Can Expect
- Week 2: Lashes feel conditioned and stronger.
- Week 4: Noticeably longer and fuller-looking lashes.
- Week 8–12: Optimal results with visibly thicker, denser lashes and improved curl.
Summary
The OLAPLEX LASHBOND® Building Serum redefines safe, effective lash enhancement. Using patented peptide and bond-building technologies, it strengthens and lengthens lashes naturally — without prostaglandins or irritation. Expect visibly healthier lashes in as little as two weeks and dramatic transformation by week twelve.
Size: 4.5ml | Prostaglandin-free • Ophthalmologist-tested • Vegan • Cruelty-free
Complete Your OLAPLEX Routine
No.3 Hair Perfector | No.7 Bonding Oil | LASHBOND Serum
Tip: Pair LASHBOND® with your weekly OLAPLEX repair system for a complete bond-strengthening routine from hair to lashes.









