DroGo® "A" - OPTICAL BRIGHTNESS RESTORER
DroGo “A” is a blend of liquid optical brighteners used to restore brightness to dull fabric. Fabric must be clean and stain-free before DroGo “A” is applied. (Residual stains may become more visible if treated with DroGo “A”.) DroGo “A” is often used with DroGo “B” and is included in the DroGo Kit.