Clinique black honey duo
Rare Beauty lip oil and liner duo
Inglot Freedom System has lots of single e/s in different formulas (matte, satin, shimmer, etc.)+++
RAbanne duo in Date night- like it so far
Shu Uemura - all of them. I get one of the bigger bottle ++
WA and Wander Beauty (blush and highlighter duo)
ND Baby Biba and Clinique Strawberry Fudge duo
Cuticula - Everybody's Got a Weakness from the Villainous Duo