The purpose of this study was to identify find effective art materials for each therapeutic factor having a
positive influence on clients in art therapy. For this aim of this study, 10 therapeutic factors were chosen,
including such as intimacy, self-awareness, self-expression, communication, catharsis, availability, creativity,
relaxation/regression, integration and symbolization by analyzing Therapeutic Factors in art therapy through
theoretical consideration. In addition, classifying art materials were classified as flat dried materials, flat wet
materials, solid dried materials, solid wet materials, paper materials and atypical materials. To determine
what art therapy experts considered find out usage and appropriateproper art materials for each selected
therapeutic factor and how they used those materials in therapeutic treatments, the researcher conducted
interviews of consensual quality analysis was carried out for 10 art therapy experts through interview about
therapeutic factors in art therapy and proper materials for that. In the result wet materials promoting
regression are appeared to proper for relaxation/regression factors. The results suggest that factors
included in the cognitive domain connected to perception and consideration, such as self-awareness
and, communication, are related to flat dried materials, and solid wet materials are mainly used for factors
included emotional stimulus, such as catharsis, intimacy, and relaxation/regression.