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On the red part of the human lips there is a system of grooves which creates a characteristic pattern that is unique for every person. Based on its uniqueness, durability, constancy and rehabilitation capabilities, lip prints are recommended as an appropriate method in the process of personal identification. We focused on determining the most frequently occurring pattern and on intersexual differences in lip prints in the population studied. We obtained the lip prints from 100 individuals (50 men and 50 women) at the aged of 18-40. We took the prints on the paper with a lipstick and an adhesive tape and evaluated them according to the Suzuki and Tsuchihashi classification. The most common pattern in the entire sample was type II (branched grooves), which also dominated by men and for women it was type I (complete vertical). Overall, we recorded the lowest occurrence in type I' (incomplete vertical) and type V (indeterminate). By statistical analysis, we found the difference between men and women, which has shown mainly on the upper lip in the first and second quadrant. In the lower lip, we did not notice statistically significant deviations. [ABSTRACT FROM AUTHOR]