How to Clean Barber Trimmers

Trimmer blades are smaller and more precise than clipper blades — they get dirty faster and require consistent care. A poorly maintained trimmer pulls hair instead of cutting it, ruins lineups, and wears out faster. Here is the complete maintenance routine.

MaintenanceTrimmersSanitation

By BarberSupplyHub · Updated March 2026

After Every Client — 2-Minute Routine

1
Brush hair from the blade
Use the cleaning brush with short strokes from the blade tip toward the body. Never brush debris deeper into the blade mechanism.
2
Spray with disinfectant
Two-second spray of Andis Cool Care or Wahl Blade Ice with the trimmer running. This cools, disinfects, and lubricates simultaneously.
3
Wipe the blade and body
Wipe the blade with a clean cloth. Wipe the body and grip with a disinfectant wipe. The grip collects bacteria from your hand as much as the blade does from the client.

Weekly Deep Clean

1
Remove the blade assembly
Use a screwdriver to remove the blade screws (usually two). Keep them in a small bowl — they are easy to lose.
2
Soak in blade wash
Submerge the blade only — not the motor housing — in Andis Blade Wash for 30–60 seconds. This removes built-up oil, metal shavings, and bacteria from the blade channel.
3
Clean the blade rail
Use a small brush to clean the rail channel where the top blade moves. Debris here causes drag that reduces cutting speed.
4
Dry completely, then oil and reinstall
Allow 5 minutes of air drying. Apply one drop of oil on each side of the blade rail before reinstalling. Check alignment — the top blade should sit 1mm back from the bottom blade tip.

BLADE ALIGNMENT CHECK

After reassembly, check that the top blade corners sit just inside the bottom blade corners. If they extend past, the trimmer will nick skin. Back the top blade off slightly by loosening one screw, repositioning, and retightening.

FREQUENTLY ASKED QUESTIONS

How often should you oil barber trimmers?

Two drops of oil at the start of every workday, and one drop during the day if you are doing 10+ clients. Over-oiling collects debris; under-oiling causes heat and blade drag.

Why does my trimmer pull instead of cut?

Usually a dull blade, misaligned blade, or debris-packed blade channel. Clean the blade rail first, check alignment, then oil. If it still pulls, the blade needs replacing.