List Of How Long Should Your Hair Be Before Waxing References. To get smooth legs, your leg hair should be at least a quarter inch long when going into your. This level of growth typically takes 2 to 3 weeks from a previous wax, or about 2 weeks.

Let's start out by describing the differences between waxing and sugaring. If hair is longer, trim it to a shorter length using safety scissors so that waxing will be less. Too short and the wax won’t.