Waxing is the longest lasting temporary hair removal technique available warm or hot wax is applied to the skin in the direction of the hair growth this grips to the hair the wax is then quickly pulled off in the opposite direction pulling the hair out from the root hair then generally grows back in 3 to 6 weeks you should have at least 3 to 4 weeks growth to get the best waxing results 2 3 weeks for chin and underarm coming for a wax any sooner than this will not achieve the best result