Review Of How Long Does My Hair Need To Be To Wax Ideas. For new waxers, this may not take 3 weeks to achieve; This level of growth typically takes 2 to 3 weeks from a previous wax, or about 2 weeks.

If hair is longer, trim it to a shorter length using safety. Both hard and soft waxes should last. This level of growth typically takes 2 to 3 weeks from a previous wax, or about 2 weeks.