A sleek black cosmetic tube with gold lettering reading 'AUTEUR' and smaller text below, standing upright on a clean white background.
A black cosmetic tube with gold lettering stands next to its applicator wand on a clean white background. The tube displays the brand name 'AUTEUR' and the text 'THE PERFECTED CARE LIP GLOSS'.
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AUTEUR - DEFINITIVE LASH SERUM

$171.00
( / )

Definitive Lash Serum is a peptide treatment for visibly longer, fuller, stronger-looking lashes. Five actives at the root and along the fiber. No prostaglandin analogs, no hormones.

HOW IT WORKS

Peptides and a plant biotech active signal at the follicle. Amino acids and biotin condition the fiber

WHEN TO USE
  • Once a night
HOW TO USE
  • Cleanse and dry : Remove all makeup and oil. The lash line must be completely dry. Residue blocks the actives from reaching the root.
  • Draw the line :One pass of the wand along the upper lash line, at the root, as you would apply liner. Do not apply inside the eye or to the lower lashes.
  • Let it dry, then continue : Allow a minute. Follow with Definitive Eye Cream and the rest of the evening ritual once the serum has fully set.
KEY HIGH-ACTIVE INGREDIENTS
  • Peptide and Red Clover Complex : Up to 27% lash density in 8 weeks
  • Lash Diameter Peptide : +23% lash diameters in 60 days
  • Biotin-Peptide Complex : Anchor laminin 5, collagen IV
  • Phyto-Peptide Complex : +177% papilla cell activity, in vitro
  • Amino Acid Conditioning Complex : Condition moisture and luster