Powered by proprietary OLAPLEX Peptide Complex Technology™. A clear, lightweight serum to promote the appearance of thicker, longer, stronger, full-volume lashes. Formulated with a proprietary multi-peptide blend. Ophthalmologist tested. Eye color & skin pigment safe. Non-irritating. **OLAPLEX products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for safety and efficacy**