Ah, if only it was so easy for us humans. Whether you’ve just made a chop and regretted it almost immediately or are looking to go long after years of sporting a crop-top, growing it out won’t be easy—but going about it the right way can make all the difference.  For growing-out dos and don’ts, we talked to Kym Prager-Wilson, who has owned and operated the superhip Medusa Salon in Brooklyn, New York, for 13 years.