One of the few dissertations that, from the standpoint of medical cosmetology, deals with the more current issues, since acne vulgaris, a disease of young people and they are both in our and in Western societies are present in a high percentage of adolescents. Dr. Peric in his research goals focused on exploring the therapeutic effects of different concentrations of glycolic acid at different stages of acne while tracking no \ side-effects and quality of life assessment during treatment procedures, which increases the importance of this research