Final answer:
The hair that is too long to wax should be trimmed to 1/4 inch length before waxing.
Step-by-step explanation:
Hair that is too long to wax should be trimmed to a length that is suitable for waxing. When the hair is too long, the waxing process may not be as effective and can cause more pain. It is recommended to trim the hair to a length of 1/4 inch before waxing.