Formulation of Ethanolic Extract of Guava Fruit Flesh (Psidium guajava L.) as a Lip Moisturizer. jisk [Internet]. 2023 Aug. 31 [cited 2024 Dec. 4];4(2):19-25. Available from: https://ejournal.sumateraconnect.or.id/index.php/jisk/article/view/66