DUO® Eyelash Adhesive is the world's best-selling lash glue and has been a favorite of professional makeup artists for decades. This latex-free adhesive comes with a thin brush for precise and quick application. The formaldehyde-free formula was created for all-day wear with strip lashes and can also be used to apply individual lashes, lasting several hours. Enriched with Vitamins A, C and E and available in both Clear and Black formulas. Usage: Check fit of lashes and trim excess if needed. Then apply a thin line of adhesive along band of lashes. Wait 30 seconds for adhesive to set and place lash as close to your natural lash line as possible. Try using Qosmedix professional lash applicators to apply lashes. Finish by gently pressing along the band to secure in place. CAUTION: Keep away from children. Use only as directed.