Read the Manual: Always start by reading the manufacturer's instructions and user manual that come with your trimmer. This will provide specific care guidelines and safety information., Regular Cleaning: After each use, remove the trimmer head and brush or rinse it to remove trimmed hair and debris. Some trimmers are washable, allowing for easy cleaning under running water., Oil the Blades: Regularly lubricate the trimmer blades with the oil provided by the manufacturer or a specialized trimmer oil. Apply a drop or two of oil to the blades to keep them sharp and prevent rusting., Charge and Store Properly: If your trimmer is cordless, charge it according to the manufacturer's instructions. Store it in a cool, dry place and avoid extreme temperatures. Overcharging can reduce battery life, so unplug it once fully charged.