What it is: A dual-ended, brush-on, latex- and formaldehyde-free lash adhesive featuring dark adhesive on one end for a bold, eyeliner look and clear adhesive on the other for a natural, seamless look.

Ingredient Callouts: Free of formaldehydes. It is also gluten-free, cruelty-free, and comes in recyclable packaging.

What Else You Need to Know: DUO's bestselling brush-on lash adhesive formula featuring both shades; dark and clear with a brush-tip applicator for easy, controlled, precise application. Latex- and formaldehyde-free.