Biologique Recherche Expert Eyes, a lash and brow growth serum that delivers fuller lashes and denser brows in just 14 days. Enriched with peptides and nourishing oils, it strengthens hair from root to tip while hydrating and reducing breakage. Gentle on sensitive skin, this dual-action serum is perfect for daily use. Achieve visibly longer lashes and healthier brows with precision applicators for optimal results.