While a DIY haircut is a brave, and slightly risky endeavor (unless you've got experience), there are some tricks that will lower the stakes, plus save you some money at the salon. The 'medium shag' cut, is one of the safer, easier at home cuts and it takes only seconds to achieve. This blunt, layered style is versatile and suits all ages and face shapes.
Wash and condition your hair with an intensive-care conditioner. (Be sure to leave the conditioner on your hair for the required time stated in the directions). Wrap a towel around your hair to quickly remove excess water. The hair should be damp, not dripping wet, when cut.
Stand in front of a mirror and pull a strand of hair toward your shoulder. Allow the hair to fall naturally and determine the length you want after the cut. Use a ruler to measure the amount of hair you'll need to remove to achieve the desired length.
Bend at the waist and turn your head upside down, facing the floor. Comb hair to remove tangles. Next you'll put your hair up in a ponytail. The ponytail's height will correspond to the amount of hair you wish to take off. Pull your hair into a high ponytail on top of your head if you want a shorter bob-style or all the way to your forehead if you want an angled shag. Using one hair tie secure your hair into a tight ponytail. Then, fasten a second hair tie about halfway down the length of the ponytail.
Hold the ponytail straight-up (vertical) while looking in the mirror. Slide the second ponytail holder down the ponytail, stopping when you reach the desired hair length you measured in step 2. Double check the length you plan to cut, using the ruler as a guide.
Cut the hair, using the edge of the second ponytail holder as a guide for your straight-across cut. Do not hack or saw at the hair or you will damage the ends. Make even cuts with the tips of the scissors, cutting slowly until you have cut off the entire end of the ponytail.
Remove the ponytail holder and shake out the hair. Style as desired.