Sometimes, a conservative look is needed or preferred. Wahl clippers let you have fun and be all business at the same time.
What you will need:
#5 (5/8") guide comb attachment
#8 (1") guide comb attachment
How to Do a Business Haircut Step-by-Step
Wahl clipper, select an attachment guard that will shorten the hair but not leave it too short. The #5 guard (5/8") is a frequent selection. If you find that the hair should be cut shorter after the first or second pass, change to a lower numbered attachment guard.
upward rocking motion, cut around the ear and then continue to the back of the head, all the way to the other ear (Section 2). Comb the hair as you go. It will give you a better idea of how the hair naturally lies.
Switch to a higher attachment guard. A #8 (1") works well for the top of the head. From the back, comb the hair to see how it naturally falls. Begin to cut, rolling the clipper from front to back to help cut down on bulk.
Now blend the sides, using the same upward motion rolling technique over the rim of the head (Section 3) where the sides meet the top.