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straight liner alignment
Cleaning step in the standard two-step "clean then disinfect" protocol
The system reduces drying during procedure and minimises pigment migration — two common technical challenges in lip work
then attach the cartridge over the cover for a sealed working configuration
keeping the workspace clear during longer sessions
Barrier Film Black online training straight liner alignmentBlack Barrier Film is the visual alternative to standard blue or clear barrier film same functional protection, more discreet appearance against modern black PMU equipment and workstations. Used to cover machines, power supplies, lamps, trays, and high touch surfaces to prevent cross contamination between clients. The black colour blends with most contemporary studio aesthetics and PMU pen machines (which are typically dark anodised), making the