How to Use a Beard Trimmer for a Clean Neckline

Quick answer

To get a clean neckline, first map out the natural line above your Adam's apple, then use a trimmer without a guard to remove hair below that line, working in small downward strokes.

How to trim your beard neckline step by step

1. Step 1: Prepare your beard and trimmer: Wash and dry your beard to remove oils and tangles. Attach a guard comb to your trimmer and trim the entire beard to your desired length before defining the neckline. Common mistake: trimming the neckline first can make it harder to judge the final shape. Always trim the bulk first.
2. Step 2: Find your natural neckline: Stand straight and look forward. Place one finger horizontally above your Adam's apple. The crease where your neck meets your jaw is your natural neckline. Use a beard pencil or your finger to visualize the line from one ear, curving just above the Adam's apple, to the other ear. Checkpoint: if you tilt your head down, the skin stretches and you will cut the line too high.
3. Step 3: Remove the guard and define the line: Remove the guard comb from your trimmer. Starting at the center of your neck, trim downward in short strokes below the marked line. Work outward toward each ear, using your other hand to hold the skin taut for a cleaner edge. Common mistake: using long, sweeping strokes can cause uneven patches. Short, controlled strokes give a crisp line.
4. Step 4: Clean up the edges: Use the trimmer's precision edge or a detail trimmer to refine the jawline and cheek lines. Check for stray hairs above the neckline and trim them away. Rinse your trimmer after use. Checkpoint: after trimming, wipe the area with a damp cloth to see if any missed hairs stand out.
5. Step 5: Moisturize and maintain: Apply a light beard oil or moisturizer to the trimmed area to soothe the skin. For daily upkeep, run the trimmer without a guard over the neckline every 2–3 days. Common mistake: skipping moisturizer can lead to razor bumps or irritation, especially if you have sensitive skin.

Product facts

• Gillette King C Beard Trimmer: The Gillette King C Beard Trimmer features lifetime-sharp blades and three interchangeable combs for different beard lengths. Sharp blades give a clean cut without tugging, and the combs let you maintain consistent length before defining the neckline.