BackgroundA phototrichogram scalp measurement method using a headband and a tapeline was introduced as a non‐invasive and economical measuring technique.ObjectiveTo evaluate the reliability and reproducibility of the two‐point scoring method by phototrichogram using a headband and a tapeline.MethodsThe scalp hair of seven volunteers were measured in triplicate at the ‘P’ and ‘V’ points by three dermatologists. To calculate the degree of disease progression, we used a two‐point (‘P’ point and ‘V’ point) scoring method. Statistical analyses for the evaluation of inter‐ and intra‐investigator reliability and variability were performed.ResultsOverall intraclass correlation coefficients (ICCs) of intra‐investigator reliability demonstrated ICCs with excellent agreement for all parameters, including the number and thickness of hair at the ‘P’ and ‘V’ points, as well as calculated degree of disease progression. ICCs of inter‐investigator reliability demonstrated ICCs with excellent agreement in all parameters, except mean hair thickness at the ‘P’ point. Overall intra‐investigator variability demonstrated coefficients of variation (CVs) ranging from 2.6% to 9.8%, whereas inter‐investigator variability demonstrated CVs ranging from 2.9% to 6.3%.ConclusionWe suggest that a two‐point scoring using our method is a non‐invasive and economical measurement technique with high reliability and reproducibility.