Widyastuti Z, Widhiati S. Ceramide is More Effective than Shea Butter in Maintaining Skin Acidity. Berkala Ilmu Kesehatan Kulit dan Kelamin (Periodical of Dermatology and Venerology) [Internet]. 2022 Mar. 30 [cited 2025 Dec. 2];34(1):5-9. Available from: https://e-journal.unair.ac.id/BIKK/article/view/31022