Starting out, you should cut against the natural grain of the hair as it is the most effective way. If you are only cutting the sides and back with the clipper, just go against the grain, but go over it a few times to make sure it’s even. For people with curly hair, you should go both with and against the grain.
What direction should you cut your hair?
TIP: You should always cut in the opposite direction of your hair growth. This varies from person to person, as well as on different parts of head – run your hand through your hair and find the direction in which you feel the most counterforce.
How should I prepare my hair for cutting?
Prepare the Hair
Before you begin the haircut, be sure to wash first and then blow dry lightly, just to rid the hair of tangles. Hair should be damp, not extremely wet, for best results when cutting. If the hair starts to dry out before you are finished, dampen it with a spray bottle of water.