The relationship between cosmetic usage and the occurrence of acne vulgaris Putri Umniati Sukma Nabila, Nuni Ihsana, Rosmelia, Bombong Nurpagino, Rizka Ariani and Leonny Dwi Rizkita BIO Web Conf., 148 (2024) 01014 Published online: 09 January 2025 DOI: 10.1051/bioconf/202414801014