research Efficacy of tip cryotherapy in the treatment of idiopathic guttate hypomelanosis (IGH): a randomized, controlled, evaluator-blinded study
This study evaluated the effects of tip cryotherapy on idiopathic guttate hypomelanosis lesions, finding that 82.3% of treated lesions showed significant improvement after four months compared to only 2% of control lesions, with minimal side effects.