Physicians Formula Eye Booster Waterproof Ultra-Fine Liquid Eyeliner Blackest Black (1ml) is an ultra-fine, waterproof liquid eyeliner containing the blackest of black pigments to allow the ultimate flow-through application with a fast, ink-dry finish.

Enriched with Waterproof Complex, Lash-Conditioning Serum, and Peptides, it strengthens and conditions for improved, healthy lashes that don't smudge, clump or transfer. Hypoallergenic and dermatologist-tested. Free from fragrance, parabens, and gluten. Cruelty-free & vegan-friendly.