Olaplex Lashbond Building Serum is a clear, lightweight formula designed to deliver stronger, healthier-looking lashes in as little as 2 weeks. Powered by proprietary Peptide Complex Technology, this advanced serum enhances lash density, volume, and fullness, with visible results in just 4 weeks. Clinically tested and ophthalmologist-approved, it works without prostaglandins and integrates seamlessly into any skincare or grooming routine with just one swipe, twice daily. Longer & lifted lashes Lash appears thicker & denser Hydrating Vegan and Cruelty-free Gluten-free and Nut-free Paraben-free, Sulfate-free, Phthalate-free, Phosphate-free Free of DEA, Aldehydes and Formaldehyde Ophthalmologist Tested. Prostaglandin Free. Who is it for? For all skin types looking to enhance their natural lashes. Compatible with the use of contacts, lash lifts, lash extensions, and false lashes. How do you use it? Dip the brush once Apply to the skin along the upper lash line on both eyes Do not wash off Allow to dry for at least 90 seconds before applying other eye products. There's no need to apply to the lower lash line PRO TIP: Use twice daily, morning and night, on clean, dry skin. Once lashes have reached your desired length, reduce use to 2-3 times per week for maintenance