Formulation of essential patchouli oil soap with with copigmentation dye of kesumba keeling (Bixa orellana L.) seeds with Red Mold Rice. JPS [Internet]. 2024 Jun. 30 [cited 2026 Oct. 21];7(2):208-15. Available from: https://journal-jps.com/new/index.php/jps/article/view/342