Ask friend or loved one to assist you as you trim your hair. Having a second person around is very, very beneficial and helpful.
Note any stray hairs below the hairline. These are what you will trim! Remember—you don’t want to change the style or shape of the hair itself.
The setting is ultimately up to you and what hairstyle you’re going for, but keep this advice in mind if you are new to trimming your hairline.
To trim the other side of your neck, you may need to switch which hand is holding the clippers and which hand is holding the mirror. That way you’re not reaching too far with your opposite hand! Repeat the process until you have trimmed all the excess hairs on the back of your neck and your back hairline is smooth and even. Keep your hand really steady while you’re trimming so you don’t slip and cut off too much hair.
Avoid shaving past your natural hairline!
Avoid cutting past the natural hairline or shaping the hairline so that it is curved. For the most flattering haircut, you want a straight line at the sides of your hairline![7] X Research source
Using only the corner of the blade helps you reach difficult spots on your hairline. Use this trick behind the ears to avoid making a mistake![9] X Research source
Be very careful to avoid over-trimming when it comes to your forehead hairline! You don’t want to cut past your natural hairline. [12] X Research source
