I really like this foundation brush for blending out pigment drops. It's firm enough to blend it out, but not so stiff that it just pushes product around the face. It does absorb a good amout so I prefer to put the drops on my skin instead of the brush. But it gives me a nice, airbrushed finish.
Wegreeco Bamboo Makeup Remover Pads 12 Pack with Laundry Bag - Chemical free, Reusable Soft Facial and Skin Care Wash Cloth Pads - Wipes Face Clean (3 Color)