Auteur Definitive Lash Serum

Lengthening and Strengthening Treatment

A concentrated peptide treatment developed to support visibly longer, fuller and stronger-looking lashes. A targeted complex of lash-supporting peptides, biotin, panthenol, caffeine and amino acids helps improve the appearance of density, length and resilience while conditioning lashes to reduce the look of brittleness and breakage. 

With consistent daily use, lashes appear healthier, more defined and visibly fuller.

• Supports the appearance of longer, fuller-looking lashes
• Helps improve visible lash density and strength
• Conditions lashes to support softness and resilience
• Helps reduce the appearance of brittleness and breakage

5mL